Home / 498,205,840.60-747,304,824.30-129,740,080.60

Finding the Fourth Proportional to 498,205,840.60, 747,304,824.30 and 129,740,080.60

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Solution

The fourth proportional to 498,205,840.60, 747,304,824.30 and 129,740,080.60 is: 194,609,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,205,840.60 : 747,304,824.30 = 129,740,080.60 : x
  2. Step 2: Convert to fraction form
    498,205,840.60/747,304,824.30 = 129,740,080.60/x
  3. Step 3: Cross multiply
    498,205,840.60x = 747,304,824.30 × 129,740,080.60
  4. Step 4: Simplify right side
    498,205,840.60x = 96,955,388,137,450,832
  5. Step 5: Solve for x
    x = 96,955,388,137,450,832/498,205,840.60
  6. Step 6: Final answer
    x = 194,609,095.75

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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.