Home / 388,448,550.48-582,721,311.96-152,067,540.28

Finding the Fourth Proportional to 388,448,550.48, 582,721,311.96 and 152,067,540.28

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Solution

The fourth proportional to 388,448,550.48, 582,721,311.96 and 152,067,540.28 is: 228,120,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,448,550.48 : 582,721,311.96 = 152,067,540.28 : x
  2. Step 2: Convert to fraction form
    388,448,550.48/582,721,311.96 = 152,067,540.28/x
  3. Step 3: Cross multiply
    388,448,550.48x = 582,721,311.96 × 152,067,540.28
  4. Step 4: Simplify right side
    388,448,550.48x = 88,612,996,578,491,760
  5. Step 5: Solve for x
    x = 88,612,996,578,491,760/388,448,550.48
  6. Step 6: Final answer
    x = 228,120,291.53

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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.