Home / 398,785,221.29-598,388,582.87-282,949,185.72

Finding the Fourth Proportional to 398,785,221.29, 598,388,582.87 and 282,949,185.72

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Solution

The fourth proportional to 398,785,221.29, 598,388,582.87 and 282,949,185.72 is: 424,573,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,785,221.29 : 598,388,582.87 = 282,949,185.72 : x
  2. Step 2: Convert to fraction form
    398,785,221.29/598,388,582.87 = 282,949,185.72/x
  3. Step 3: Cross multiply
    398,785,221.29x = 598,388,582.87 × 282,949,185.72
  4. Step 4: Simplify right side
    398,785,221.29x = 169,313,562,269,098,336
  5. Step 5: Solve for x
    x = 169,313,562,269,098,336/398,785,221.29
  6. Step 6: Final answer
    x = 424,573,312.23

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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.