Home / 437,802,800.40-656,704,200.60-114,719,331.60

Finding the Fourth Proportional to 437,802,800.40, 656,704,200.60 and 114,719,331.60

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Solution

The fourth proportional to 437,802,800.40, 656,704,200.60 and 114,719,331.60 is: 172,078,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,802,800.40 : 656,704,200.60 = 114,719,331.60 : x
  2. Step 2: Convert to fraction form
    437,802,800.40/656,704,200.60 = 114,719,331.60/x
  3. Step 3: Cross multiply
    437,802,800.40x = 656,704,200.60 × 114,719,331.60
  4. Step 4: Simplify right side
    437,802,800.40x = 75,336,666,951,744,320
  5. Step 5: Solve for x
    x = 75,336,666,951,744,320/437,802,800.40
  6. Step 6: Final answer
    x = 172,078,997.40

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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.