Home / 445,324,529.55-667,986,794.33-376,449,775.95

Finding the Fourth Proportional to 445,324,529.55, 667,986,794.33 and 376,449,775.95

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Solution

The fourth proportional to 445,324,529.55, 667,986,794.33 and 376,449,775.95 is: 564,674,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,324,529.55 : 667,986,794.33 = 376,449,775.95 : x
  2. Step 2: Convert to fraction form
    445,324,529.55/667,986,794.33 = 376,449,775.95/x
  3. Step 3: Cross multiply
    445,324,529.55x = 667,986,794.33 × 376,449,775.95
  4. Step 4: Simplify right side
    445,324,529.55x = 251,463,479,061,204,992
  5. Step 5: Solve for x
    x = 251,463,479,061,204,992/445,324,529.55
  6. Step 6: Final answer
    x = 564,674,663.93

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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.