Home / 479,040,181.92-718,451,856-220,006,380.96

Finding the Fourth Proportional to 479,040,181.92, 718,451,856 and 220,006,380.96

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Solution

The fourth proportional to 479,040,181.92, 718,451,856 and 220,006,380.96 is: 329,959,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,040,181.92 : 718,451,856 = 220,006,380.96 : x
  2. Step 2: Convert to fraction form
    479,040,181.92/718,451,856 = 220,006,380.96/x
  3. Step 3: Cross multiply
    479,040,181.92x = 718,451,856 × 220,006,380.96
  4. Step 4: Simplify right side
    479,040,181.92x = 158,063,992,732,555,072
  5. Step 5: Solve for x
    x = 158,063,992,732,555,072/479,040,181.92
  6. Step 6: Final answer
    x = 329,959,779.36

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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.