Home / 487,951,375.92-731,935,811.40-177,279,628.08

Finding the Fourth Proportional to 487,951,375.92, 731,935,811.40 and 177,279,628.08

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Solution

The fourth proportional to 487,951,375.92, 731,935,811.40 and 177,279,628.08 is: 265,922,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,951,375.92 : 731,935,811.40 = 177,279,628.08 : x
  2. Step 2: Convert to fraction form
    487,951,375.92/731,935,811.40 = 177,279,628.08/x
  3. Step 3: Cross multiply
    487,951,375.92x = 731,935,811.40 × 177,279,628.08
  4. Step 4: Simplify right side
    487,951,375.92x = 129,757,308,423,425,024
  5. Step 5: Solve for x
    x = 129,757,308,423,425,024/487,951,375.92
  6. Step 6: Final answer
    x = 265,922,620.22

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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.