Home / 521,993,034.86-782,822,082.76-172,160,454.71

Finding the Fourth Proportional to 521,993,034.86, 782,822,082.76 and 172,160,454.71

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Solution

The fourth proportional to 521,993,034.86, 782,822,082.76 and 172,160,454.71 is: 258,185,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,993,034.86 : 782,822,082.76 = 172,160,454.71 : x
  2. Step 2: Convert to fraction form
    521,993,034.86/782,822,082.76 = 172,160,454.71/x
  3. Step 3: Cross multiply
    521,993,034.86x = 782,822,082.76 × 172,160,454.71
  4. Step 4: Simplify right side
    521,993,034.86x = 134,771,005,726,517,520
  5. Step 5: Solve for x
    x = 134,771,005,726,517,520/521,993,034.86
  6. Step 6: Final answer
    x = 258,185,448.32

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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.