Home / 398,785,292.46-598,388,689.48-282,949,256.88

Finding the Fourth Proportional to 398,785,292.46, 598,388,689.48 and 282,949,256.88

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Solution

The fourth proportional to 398,785,292.46, 598,388,689.48 and 282,949,256.88 is: 424,573,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,785,292.46 : 598,388,689.48 = 282,949,256.88 : x
  2. Step 2: Convert to fraction form
    398,785,292.46/598,388,689.48 = 282,949,256.88/x
  3. Step 3: Cross multiply
    398,785,292.46x = 598,388,689.48 × 282,949,256.88
  4. Step 4: Simplify right side
    398,785,292.46x = 169,313,635,013,763,072
  5. Step 5: Solve for x
    x = 169,313,635,013,763,072/398,785,292.46
  6. Step 6: Final answer
    x = 424,573,418.87

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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.