Home / 439,536,698.70-659,305,048.05-132,876,141.90

Finding the Fourth Proportional to 439,536,698.70, 659,305,048.05 and 132,876,141.90

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Solution

The fourth proportional to 439,536,698.70, 659,305,048.05 and 132,876,141.90 is: 199,314,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,536,698.70 : 659,305,048.05 = 132,876,141.90 : x
  2. Step 2: Convert to fraction form
    439,536,698.70/659,305,048.05 = 132,876,141.90/x
  3. Step 3: Cross multiply
    439,536,698.70x = 659,305,048.05 × 132,876,141.90
  4. Step 4: Simplify right side
    439,536,698.70x = 87,605,911,120,078,112
  5. Step 5: Solve for x
    x = 87,605,911,120,078,112/439,536,698.70
  6. Step 6: Final answer
    x = 199,314,212.85

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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.