Home / 498,205,839.60-747,304,822.80-129,740,079.60

Finding the Fourth Proportional to 498,205,839.60, 747,304,822.80 and 129,740,079.60

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Solution

The fourth proportional to 498,205,839.60, 747,304,822.80 and 129,740,079.60 is: 194,609,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,205,839.60 : 747,304,822.80 = 129,740,079.60 : x
  2. Step 2: Convert to fraction form
    498,205,839.60/747,304,822.80 = 129,740,079.60/x
  3. Step 3: Cross multiply
    498,205,839.60x = 747,304,822.80 × 129,740,079.60
  4. Step 4: Simplify right side
    498,205,839.60x = 96,955,387,195,535,888
  5. Step 5: Solve for x
    x = 96,955,387,195,535,888/498,205,839.60
  6. Step 6: Final answer
    x = 194,609,094.25

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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.