Home / 381,672,081.70-572,508,122.55-260,739,729.70

Finding the Fourth Proportional to 381,672,081.70, 572,508,122.55 and 260,739,729.70

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Solution

The fourth proportional to 381,672,081.70, 572,508,122.55 and 260,739,729.70 is: 391,109,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,672,081.70 : 572,508,122.55 = 260,739,729.70 : x
  2. Step 2: Convert to fraction form
    381,672,081.70/572,508,122.55 = 260,739,729.70/x
  3. Step 3: Cross multiply
    381,672,081.70x = 572,508,122.55 × 260,739,729.70
  4. Step 4: Simplify right side
    381,672,081.70x = 149,275,613,124,741,440
  5. Step 5: Solve for x
    x = 149,275,613,124,741,440/381,672,081.70
  6. Step 6: Final answer
    x = 391,109,594.55

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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.