Home / 629,861,430.60-944,792,145.90-220,769,958.60

Finding the Fourth Proportional to 629,861,430.60, 944,792,145.90 and 220,769,958.60

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Solution

The fourth proportional to 629,861,430.60, 944,792,145.90 and 220,769,958.60 is: 331,154,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,430.60 : 944,792,145.90 = 220,769,958.60 : x
  2. Step 2: Convert to fraction form
    629,861,430.60/944,792,145.90 = 220,769,958.60/x
  3. Step 3: Cross multiply
    629,861,430.60x = 944,792,145.90 × 220,769,958.60
  4. Step 4: Simplify right side
    629,861,430.60x = 208,581,722,935,948,160
  5. Step 5: Solve for x
    x = 208,581,722,935,948,160/629,861,430.60
  6. Step 6: Final answer
    x = 331,154,937.90

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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.