Home / 408,253,546.80-612,380,320.20-149,382,730.80

Finding the Fourth Proportional to 408,253,546.80, 612,380,320.20 and 149,382,730.80

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Solution

The fourth proportional to 408,253,546.80, 612,380,320.20 and 149,382,730.80 is: 224,074,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,253,546.80 : 612,380,320.20 = 149,382,730.80 : x
  2. Step 2: Convert to fraction form
    408,253,546.80/612,380,320.20 = 149,382,730.80/x
  3. Step 3: Cross multiply
    408,253,546.80x = 612,380,320.20 × 149,382,730.80
  4. Step 4: Simplify right side
    408,253,546.80x = 91,479,044,519,654,416
  5. Step 5: Solve for x
    x = 91,479,044,519,654,416/408,253,546.80
  6. Step 6: Final answer
    x = 224,074,096.20

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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.