Home / 423,991,704.61-635,987,778.70-132,881,500.12

Finding the Fourth Proportional to 423,991,704.61, 635,987,778.70 and 132,881,500.12

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Solution

The fourth proportional to 423,991,704.61, 635,987,778.70 and 132,881,500.12 is: 199,322,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,991,704.61 : 635,987,778.70 = 132,881,500.12 : x
  2. Step 2: Convert to fraction form
    423,991,704.61/635,987,778.70 = 132,881,500.12/x
  3. Step 3: Cross multiply
    423,991,704.61x = 635,987,778.70 × 132,881,500.12
  4. Step 4: Simplify right side
    423,991,704.61x = 84,511,010,092,572,960
  5. Step 5: Solve for x
    x = 84,511,010,092,572,960/423,991,704.61
  6. Step 6: Final answer
    x = 199,322,319.69

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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.