Home / 445,189,571.41-667,784,377.88-304,991,781.95

Finding the Fourth Proportional to 445,189,571.41, 667,784,377.88 and 304,991,781.95

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Solution

The fourth proportional to 445,189,571.41, 667,784,377.88 and 304,991,781.95 is: 457,487,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,189,571.41 : 667,784,377.88 = 304,991,781.95 : x
  2. Step 2: Convert to fraction form
    445,189,571.41/667,784,377.88 = 304,991,781.95/x
  3. Step 3: Cross multiply
    445,189,571.41x = 667,784,377.88 × 304,991,781.95
  4. Step 4: Simplify right side
    445,189,571.41x = 203,668,747,370,116,320
  5. Step 5: Solve for x
    x = 203,668,747,370,116,320/445,189,571.41
  6. Step 6: Final answer
    x = 457,487,687.15

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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.