Home / 629,904,920.70-944,857,381.05-499,808,163.90

Finding the Fourth Proportional to 629,904,920.70, 944,857,381.05 and 499,808,163.90

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Solution

The fourth proportional to 629,904,920.70, 944,857,381.05 and 499,808,163.90 is: 749,712,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,904,920.70 : 944,857,381.05 = 499,808,163.90 : x
  2. Step 2: Convert to fraction form
    629,904,920.70/944,857,381.05 = 499,808,163.90/x
  3. Step 3: Cross multiply
    629,904,920.70x = 944,857,381.05 × 499,808,163.90
  4. Step 4: Simplify right side
    629,904,920.70x = 472,247,432,769,963,136
  5. Step 5: Solve for x
    x = 472,247,432,769,963,136/629,904,920.70
  6. Step 6: Final answer
    x = 749,712,245.85

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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.