Home / 498,267,411.60-747,397,180.80-129,801,651.60

Finding the Fourth Proportional to 498,267,411.60, 747,397,180.80 and 129,801,651.60

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Solution

The fourth proportional to 498,267,411.60, 747,397,180.80 and 129,801,651.60 is: 194,701,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,267,411.60 : 747,397,180.80 = 129,801,651.60 : x
  2. Step 2: Convert to fraction form
    498,267,411.60/747,397,180.80 = 129,801,651.60/x
  3. Step 3: Cross multiply
    498,267,411.60x = 747,397,180.80 × 129,801,651.60
  4. Step 4: Simplify right side
    498,267,411.60x = 97,013,388,469,023,792
  5. Step 5: Solve for x
    x = 97,013,388,469,023,792/498,267,411.60
  6. Step 6: Final answer
    x = 194,701,451.89

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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.