Let’s go step-by-step.

**Step 1 – Identify FFO components for 2022**  
From the cash flow statement:  
- Profit before tax: 756,000,000  
- Depreciation: 491,000,000  
- Amortisation: 233,000,000  
- Impairment/reversal of impairment: 10,000,000  
- Provisions: 92,000,000  
- Adjustments for disposal of noncurrent assets: -191,000,000  
- Net financial interests: 90,000,000  
- Adjustments for undistributed profits of associates: -2,000,000  

FFO (approximate) =  
756,000,000 + 491,000,000 + 233,000,000 + 10,000,000 + 92,000,000 - 191,000,000 + 90,000,000 - 2,000,000  
= **1,479,000,000 EUR**.

**Step 2 – Identify Net Debt at end of 2022**  
Net debt = Financial liabilities - Cash and equivalents  
- Noncurrent financial liabilities: 5,867,000,000  
- Current financial liabilities: 1,022,000,000  
Total financial liabilities = 6,889,000,000  
- Cash and equivalents: 2,584,000,000  

Net debt = 6,889,000,000 - 2,584,000,000 = **4,305,000,000 EUR**.

**Step 3 – Calculate ratio**  
FFO / Net Debt = 1,479,000,000 / 4,305,000,000 ≈ **0.3436**.

<answer>0.3436</answer>