Home / 721,795,740.30-1,082,926,780.11-333,873,039.78

Finding the Fourth Proportional to 721,795,740.30, 1,082,926,780.11 and 333,873,039.78

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Solution

The fourth proportional to 721,795,740.30, 1,082,926,780.11 and 333,873,039.78 is: 500,917,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,795,740.30 : 1,082,926,780.11 = 333,873,039.78 : x
  2. Step 2: Convert to fraction form
    721,795,740.30/1,082,926,780.11 = 333,873,039.78/x
  3. Step 3: Cross multiply
    721,795,740.30x = 1,082,926,780.11 × 333,873,039.78
  4. Step 4: Simplify right side
    721,795,740.30x = 361,560,055,934,493,248
  5. Step 5: Solve for x
    x = 361,560,055,934,493,248/721,795,740.30
  6. Step 6: Final answer
    x = 500,917,414.37

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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.