Home / 437,806,329.60-656,276,342.40-207,370,387.20

Finding the Fourth Proportional to 437,806,329.60, 656,276,342.40 and 207,370,387.20

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Solution

The fourth proportional to 437,806,329.60, 656,276,342.40 and 207,370,387.20 is: 310,850,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,806,329.60 : 656,276,342.40 = 207,370,387.20 : x
  2. Step 2: Convert to fraction form
    437,806,329.60/656,276,342.40 = 207,370,387.20/x
  3. Step 3: Cross multiply
    437,806,329.60x = 656,276,342.40 × 207,370,387.20
  4. Step 4: Simplify right side
    437,806,329.60x = 136,092,279,233,687,760
  5. Step 5: Solve for x
    x = 136,092,279,233,687,760/437,806,329.60
  6. Step 6: Final answer
    x = 310,850,414.97

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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.