Home / 629,857,000.60-944,785,500.90-424,272,002.20

Finding the Fourth Proportional to 629,857,000.60, 944,785,500.90 and 424,272,002.20

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Solution

The fourth proportional to 629,857,000.60, 944,785,500.90 and 424,272,002.20 is: 636,408,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,000.60 : 944,785,500.90 = 424,272,002.20 : x
  2. Step 2: Convert to fraction form
    629,857,000.60/944,785,500.90 = 424,272,002.20/x
  3. Step 3: Cross multiply
    629,857,000.60x = 944,785,500.90 × 424,272,002.20
  4. Step 4: Simplify right side
    629,857,000.60x = 400,846,036,116,372,864
  5. Step 5: Solve for x
    x = 400,846,036,116,372,864/629,857,000.60
  6. Step 6: Final answer
    x = 636,408,003.30

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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.