Home / 472,396,344.30-708,594,516.45-443,674,910.70

Finding the Fourth Proportional to 472,396,344.30, 708,594,516.45 and 443,674,910.70

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Solution

The fourth proportional to 472,396,344.30, 708,594,516.45 and 443,674,910.70 is: 665,512,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,344.30 : 708,594,516.45 = 443,674,910.70 : x
  2. Step 2: Convert to fraction form
    472,396,344.30/708,594,516.45 = 443,674,910.70/x
  3. Step 3: Cross multiply
    472,396,344.30x = 708,594,516.45 × 443,674,910.70
  4. Step 4: Simplify right side
    472,396,344.30x = 314,385,608,808,463,424
  5. Step 5: Solve for x
    x = 314,385,608,808,463,424/472,396,344.30
  6. Step 6: Final answer
    x = 665,512,366.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.