Home / 440,910,183.12-661,379,598.12-129,991,727.10

Finding the Fourth Proportional to 440,910,183.12, 661,379,598.12 and 129,991,727.10

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Solution

The fourth proportional to 440,910,183.12, 661,379,598.12 and 129,991,727.10 is: 194,991,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,910,183.12 : 661,379,598.12 = 129,991,727.10 : x
  2. Step 2: Convert to fraction form
    440,910,183.12/661,379,598.12 = 129,991,727.10/x
  3. Step 3: Cross multiply
    440,910,183.12x = 661,379,598.12 × 129,991,727.10
  4. Step 4: Simplify right side
    440,910,183.12x = 85,973,876,228,322,704
  5. Step 5: Solve for x
    x = 85,973,876,228,322,704/440,910,183.12
  6. Step 6: Final answer
    x = 194,991,813.57

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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.