Home / 393,700,044.92-543,322,568.86-226,436,352.52

Finding the Fourth Proportional to 393,700,044.92, 543,322,568.86 and 226,436,352.52

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Solution

The fourth proportional to 393,700,044.92, 543,322,568.86 and 226,436,352.52 is: 312,491,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,700,044.92 : 543,322,568.86 = 226,436,352.52 : x
  2. Step 2: Convert to fraction form
    393,700,044.92/543,322,568.86 = 226,436,352.52/x
  3. Step 3: Cross multiply
    393,700,044.92x = 543,322,568.86 × 226,436,352.52
  4. Step 4: Simplify right side
    393,700,044.92x = 123,027,980,734,454,944
  5. Step 5: Solve for x
    x = 123,027,980,734,454,944/393,700,044.92
  6. Step 6: Final answer
    x = 312,491,660.39

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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.