Home / 352,278,082.20-528,417,123.30-320,533,339.80

Finding the Fourth Proportional to 352,278,082.20, 528,417,123.30 and 320,533,339.80

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Solution

The fourth proportional to 352,278,082.20, 528,417,123.30 and 320,533,339.80 is: 480,800,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,278,082.20 : 528,417,123.30 = 320,533,339.80 : x
  2. Step 2: Convert to fraction form
    352,278,082.20/528,417,123.30 = 320,533,339.80/x
  3. Step 3: Cross multiply
    352,278,082.20x = 528,417,123.30 × 320,533,339.80
  4. Step 4: Simplify right side
    352,278,082.20x = 169,375,305,338,857,408
  5. Step 5: Solve for x
    x = 169,375,305,338,857,408/352,278,082.20
  6. Step 6: Final answer
    x = 480,800,009.70

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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.