Home / 408,541,326.75-563,960,992.55-274,656,891.15

Finding the Fourth Proportional to 408,541,326.75, 563,960,992.55 and 274,656,891.15

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Solution

The fourth proportional to 408,541,326.75, 563,960,992.55 and 274,656,891.15 is: 379,143,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,541,326.75 : 563,960,992.55 = 274,656,891.15 : x
  2. Step 2: Convert to fraction form
    408,541,326.75/563,960,992.55 = 274,656,891.15/x
  3. Step 3: Cross multiply
    408,541,326.75x = 563,960,992.55 × 274,656,891.15
  4. Step 4: Simplify right side
    408,541,326.75x = 154,895,772,942,278,016
  5. Step 5: Solve for x
    x = 154,895,772,942,278,016/408,541,326.75
  6. Step 6: Final answer
    x = 379,143,461.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.