Home / 445,189,570.68-667,784,376.78-304,991,781.22

Finding the Fourth Proportional to 445,189,570.68, 667,784,376.78 and 304,991,781.22

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Solution

The fourth proportional to 445,189,570.68, 667,784,376.78 and 304,991,781.22 is: 457,487,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,189,570.68 : 667,784,376.78 = 304,991,781.22 : x
  2. Step 2: Convert to fraction form
    445,189,570.68/667,784,376.78 = 304,991,781.22/x
  3. Step 3: Cross multiply
    445,189,570.68x = 667,784,376.78 × 304,991,781.22
  4. Step 4: Simplify right side
    445,189,570.68x = 203,668,746,545,024,672
  5. Step 5: Solve for x
    x = 203,668,746,545,024,672/445,189,570.68
  6. Step 6: Final answer
    x = 457,487,686.05

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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.