Home / 754,541,836.20-1,131,502,287.78-288,375,437.88

Finding the Fourth Proportional to 754,541,836.20, 1,131,502,287.78 and 288,375,437.88

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Solution

The fourth proportional to 754,541,836.20, 1,131,502,287.78 and 288,375,437.88 is: 432,444,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,541,836.20 : 1,131,502,287.78 = 288,375,437.88 : x
  2. Step 2: Convert to fraction form
    754,541,836.20/1,131,502,287.78 = 288,375,437.88/x
  3. Step 3: Cross multiply
    754,541,836.20x = 1,131,502,287.78 × 288,375,437.88
  4. Step 4: Simplify right side
    754,541,836.20x = 326,297,467,700,779,264
  5. Step 5: Solve for x
    x = 326,297,467,700,779,264/754,541,836.20
  6. Step 6: Final answer
    x = 432,444,500.82

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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.