Home / 388,612,243.80-582,545,117.70-224,681,722.20

Finding the Fourth Proportional to 388,612,243.80, 582,545,117.70 and 224,681,722.20

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Solution

The fourth proportional to 388,612,243.80, 582,545,117.70 and 224,681,722.20 is: 336,806,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,612,243.80 : 582,545,117.70 = 224,681,722.20 : x
  2. Step 2: Convert to fraction form
    388,612,243.80/582,545,117.70 = 224,681,722.20/x
  3. Step 3: Cross multiply
    388,612,243.80x = 582,545,117.70 × 224,681,722.20
  4. Step 4: Simplify right side
    388,612,243.80x = 130,887,240,304,037,712
  5. Step 5: Solve for x
    x = 130,887,240,304,037,712/388,612,243.80
  6. Step 6: Final answer
    x = 336,806,784.63

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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.