Home / 381,717,532.80-571,904,452.80-327,969,820.80

Finding the Fourth Proportional to 381,717,532.80, 571,904,452.80 and 327,969,820.80

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Solution

The fourth proportional to 381,717,532.80, 571,904,452.80 and 327,969,820.80 is: 491,377,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,717,532.80 : 571,904,452.80 = 327,969,820.80 : x
  2. Step 2: Convert to fraction form
    381,717,532.80/571,904,452.80 = 327,969,820.80/x
  3. Step 3: Cross multiply
    381,717,532.80x = 571,904,452.80 × 327,969,820.80
  4. Step 4: Simplify right side
    381,717,532.80x = 187,567,400,899,538,048
  5. Step 5: Solve for x
    x = 187,567,400,899,538,048/381,717,532.80
  6. Step 6: Final answer
    x = 491,377,484.09

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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.