Home / 522,783,948.24-784,261,104.09-154,356,143.43

Finding the Fourth Proportional to 522,783,948.24, 784,261,104.09 and 154,356,143.43

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Solution

The fourth proportional to 522,783,948.24, 784,261,104.09 and 154,356,143.43 is: 231,559,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,783,948.24 : 784,261,104.09 = 154,356,143.43 : x
  2. Step 2: Convert to fraction form
    522,783,948.24/784,261,104.09 = 154,356,143.43/x
  3. Step 3: Cross multiply
    522,783,948.24x = 784,261,104.09 × 154,356,143.43
  4. Step 4: Simplify right side
    522,783,948.24x = 121,055,519,469,486,208
  5. Step 5: Solve for x
    x = 121,055,519,469,486,208/522,783,948.24
  6. Step 6: Final answer
    x = 231,559,365.73

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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.