Home / 393,700,045.92-543,322,570.24-226,436,353.52

Finding the Fourth Proportional to 393,700,045.92, 543,322,570.24 and 226,436,353.52

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Solution

The fourth proportional to 393,700,045.92, 543,322,570.24 and 226,436,353.52 is: 312,491,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,700,045.92 : 543,322,570.24 = 226,436,353.52 : x
  2. Step 2: Convert to fraction form
    393,700,045.92/543,322,570.24 = 226,436,353.52/x
  3. Step 3: Cross multiply
    393,700,045.92x = 543,322,570.24 × 226,436,353.52
  4. Step 4: Simplify right side
    393,700,045.92x = 123,027,981,590,259,680
  5. Step 5: Solve for x
    x = 123,027,981,590,259,680/393,700,045.92
  6. Step 6: Final answer
    x = 312,491,661.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.