Home / 5,448,320,987.46-8,172,481,589.34-1,307,764,511.88

Finding the Fourth Proportional to 5,448,320,987.46, 8,172,481,589.34 and 1,307,764,511.88

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Solution

The fourth proportional to 5,448,320,987.46, 8,172,481,589.34 and 1,307,764,511.88 is: 1,961,646,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448,320,987.46 : 8,172,481,589.34 = 1,307,764,511.88 : x
  2. Step 2: Convert to fraction form
    5,448,320,987.46/8,172,481,589.34 = 1,307,764,511.88/x
  3. Step 3: Cross multiply
    5,448,320,987.46x = 8,172,481,589.34 × 1,307,764,511.88
  4. Step 4: Simplify right side
    5,448,320,987.46x = 10,687,681,396,531,513,344
  5. Step 5: Solve for x
    x = 10,687,681,396,531,513,344/5,448,320,987.46
  6. Step 6: Final answer
    x = 1,961,646,793.78

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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.