Home / 439,536,719.70-659,305,079.55-132,876,162.90

Finding the Fourth Proportional to 439,536,719.70, 659,305,079.55 and 132,876,162.90

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Solution

The fourth proportional to 439,536,719.70, 659,305,079.55 and 132,876,162.90 is: 199,314,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,536,719.70 : 659,305,079.55 = 132,876,162.90 : x
  2. Step 2: Convert to fraction form
    439,536,719.70/659,305,079.55 = 132,876,162.90/x
  3. Step 3: Cross multiply
    439,536,719.70x = 659,305,079.55 × 132,876,162.90
  4. Step 4: Simplify right side
    439,536,719.70x = 87,605,929,151,083,264
  5. Step 5: Solve for x
    x = 87,605,929,151,083,264/439,536,719.70
  6. Step 6: Final answer
    x = 199,314,244.35

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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.