Home / 663,487,634.40-995,231,451.60-178,813,442.40

Finding the Fourth Proportional to 663,487,634.40, 995,231,451.60 and 178,813,442.40

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Solution

The fourth proportional to 663,487,634.40, 995,231,451.60 and 178,813,442.40 is: 268,220,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,487,634.40 : 995,231,451.60 = 178,813,442.40 : x
  2. Step 2: Convert to fraction form
    663,487,634.40/995,231,451.60 = 178,813,442.40/x
  3. Step 3: Cross multiply
    663,487,634.40x = 995,231,451.60 × 178,813,442.40
  4. Step 4: Simplify right side
    663,487,634.40x = 177,960,761,845,344,992
  5. Step 5: Solve for x
    x = 177,960,761,845,344,992/663,487,634.40
  6. Step 6: Final answer
    x = 268,220,163.60

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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.