Home / 725,941,147.13-1,088,910,059.72-311,149,010.86

Finding the Fourth Proportional to 725,941,147.13, 1,088,910,059.72 and 311,149,010.86

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Solution

The fourth proportional to 725,941,147.13, 1,088,910,059.72 and 311,149,010.86 is: 466,722,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,941,147.13 : 1,088,910,059.72 = 311,149,010.86 : x
  2. Step 2: Convert to fraction form
    725,941,147.13/1,088,910,059.72 = 311,149,010.86/x
  3. Step 3: Cross multiply
    725,941,147.13x = 1,088,910,059.72 × 311,149,010.86
  4. Step 4: Simplify right side
    725,941,147.13x = 338,813,288,000,965,632
  5. Step 5: Solve for x
    x = 338,813,288,000,965,632/725,941,147.13
  6. Step 6: Final answer
    x = 466,722,804.37

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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.