Home / 439,536,700.45-659,305,050.68-132,876,143.65

Finding the Fourth Proportional to 439,536,700.45, 659,305,050.68 and 132,876,143.65

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Solution

The fourth proportional to 439,536,700.45, 659,305,050.68 and 132,876,143.65 is: 199,314,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,536,700.45 : 659,305,050.68 = 132,876,143.65 : x
  2. Step 2: Convert to fraction form
    439,536,700.45/659,305,050.68 = 132,876,143.65/x
  3. Step 3: Cross multiply
    439,536,700.45x = 659,305,050.68 × 132,876,143.65
  4. Step 4: Simplify right side
    439,536,700.45x = 87,605,912,622,661,824
  5. Step 5: Solve for x
    x = 87,605,912,622,661,824/439,536,700.45
  6. Step 6: Final answer
    x = 199,314,215.48

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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.