Home / 398,785,227.28-598,388,591.88-282,949,191.72

Finding the Fourth Proportional to 398,785,227.28, 598,388,591.88 and 282,949,191.72

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Solution

The fourth proportional to 398,785,227.28, 598,388,591.88 and 282,949,191.72 is: 424,573,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,785,227.28 : 598,388,591.88 = 282,949,191.72 : x
  2. Step 2: Convert to fraction form
    398,785,227.28/598,388,591.88 = 282,949,191.72/x
  3. Step 3: Cross multiply
    398,785,227.28x = 598,388,591.88 × 282,949,191.72
  4. Step 4: Simplify right side
    398,785,227.28x = 169,313,568,406,914,976
  5. Step 5: Solve for x
    x = 169,313,568,406,914,976/398,785,227.28
  6. Step 6: Final answer
    x = 424,573,321.24

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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.