Home / 629,861,421.90-944,792,132.85-543,697,121.10

Finding the Fourth Proportional to 629,861,421.90, 944,792,132.85 and 543,697,121.10

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Solution

The fourth proportional to 629,861,421.90, 944,792,132.85 and 543,697,121.10 is: 815,545,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,421.90 : 944,792,132.85 = 543,697,121.10 : x
  2. Step 2: Convert to fraction form
    629,861,421.90/944,792,132.85 = 543,697,121.10/x
  3. Step 3: Cross multiply
    629,861,421.90x = 944,792,132.85 × 543,697,121.10
  4. Step 4: Simplify right side
    629,861,421.90x = 513,680,762,668,473,792
  5. Step 5: Solve for x
    x = 513,680,762,668,473,792/629,861,421.90
  6. Step 6: Final answer
    x = 815,545,681.65

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Double scale
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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.