Home / 442,950,456.87-664,417,132.38-132,268,581.36

Finding the Fourth Proportional to 442,950,456.87, 664,417,132.38 and 132,268,581.36

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Solution

The fourth proportional to 442,950,456.87, 664,417,132.38 and 132,268,581.36 is: 198,400,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,950,456.87 : 664,417,132.38 = 132,268,581.36 : x
  2. Step 2: Convert to fraction form
    442,950,456.87/664,417,132.38 = 132,268,581.36/x
  3. Step 3: Cross multiply
    442,950,456.87x = 664,417,132.38 × 132,268,581.36
  4. Step 4: Simplify right side
    442,950,456.87x = 87,881,511,531,181,920
  5. Step 5: Solve for x
    x = 87,881,511,531,181,920/442,950,456.87
  6. Step 6: Final answer
    x = 198,400,318.07

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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.