Home / 629,910,902.70-944,866,354.05-499,814,145.90

Finding the Fourth Proportional to 629,910,902.70, 944,866,354.05 and 499,814,145.90

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Solution

The fourth proportional to 629,910,902.70, 944,866,354.05 and 499,814,145.90 is: 749,721,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,910,902.70 : 944,866,354.05 = 499,814,145.90 : x
  2. Step 2: Convert to fraction form
    629,910,902.70/944,866,354.05 = 499,814,145.90/x
  3. Step 3: Cross multiply
    629,910,902.70x = 944,866,354.05 × 499,814,145.90
  4. Step 4: Simplify right side
    629,910,902.70x = 472,257,569,739,147,712
  5. Step 5: Solve for x
    x = 472,257,569,739,147,712/629,910,902.70
  6. Step 6: Final answer
    x = 749,721,218.85

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1.5x scale

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.