Home / 398,785,228.28-598,388,593.38-282,949,192.72

Finding the Fourth Proportional to 398,785,228.28, 598,388,593.38 and 282,949,192.72

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Solution

The fourth proportional to 398,785,228.28, 598,388,593.38 and 282,949,192.72 is: 424,573,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,785,228.28 : 598,388,593.38 = 282,949,192.72 : x
  2. Step 2: Convert to fraction form
    398,785,228.28/598,388,593.38 = 282,949,192.72/x
  3. Step 3: Cross multiply
    398,785,228.28x = 598,388,593.38 × 282,949,192.72
  4. Step 4: Simplify right side
    398,785,228.28x = 169,313,569,429,727,360
  5. Step 5: Solve for x
    x = 169,313,569,429,727,360/398,785,228.28
  6. Step 6: Final answer
    x = 424,573,322.74

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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.