Home / 721,795,790.20-1,082,926,855.56-333,873,089.86

Finding the Fourth Proportional to 721,795,790.20, 1,082,926,855.56 and 333,873,089.86

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Solution

The fourth proportional to 721,795,790.20, 1,082,926,855.56 and 333,873,089.86 is: 500,917,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,795,790.20 : 1,082,926,855.56 = 333,873,089.86 : x
  2. Step 2: Convert to fraction form
    721,795,790.20/1,082,926,855.56 = 333,873,089.86/x
  3. Step 3: Cross multiply
    721,795,790.20x = 1,082,926,855.56 × 333,873,089.86
  4. Step 4: Simplify right side
    721,795,790.20x = 361,560,135,358,191,104
  5. Step 5: Solve for x
    x = 361,560,135,358,191,104/721,795,790.20
  6. Step 6: Final answer
    x = 500,917,489.78

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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.