Home / 388,612,247.80-582,545,123.70-224,681,726.20

Finding the Fourth Proportional to 388,612,247.80, 582,545,123.70 and 224,681,726.20

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Solution

The fourth proportional to 388,612,247.80, 582,545,123.70 and 224,681,726.20 is: 336,806,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,612,247.80 : 582,545,123.70 = 224,681,726.20 : x
  2. Step 2: Convert to fraction form
    388,612,247.80/582,545,123.70 = 224,681,726.20/x
  3. Step 3: Cross multiply
    388,612,247.80x = 582,545,123.70 × 224,681,726.20
  4. Step 4: Simplify right side
    388,612,247.80x = 130,887,243,982,308,528
  5. Step 5: Solve for x
    x = 130,887,243,982,308,528/388,612,247.80
  6. Step 6: Final answer
    x = 336,806,790.63

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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.