Home / 378,358,889.44-522,135,036.24-204,518,633.44

Finding the Fourth Proportional to 378,358,889.44, 522,135,036.24 and 204,518,633.44

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Solution

The fourth proportional to 378,358,889.44, 522,135,036.24 and 204,518,633.44 is: 282,235,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,358,889.44 : 522,135,036.24 = 204,518,633.44 : x
  2. Step 2: Convert to fraction form
    378,358,889.44/522,135,036.24 = 204,518,633.44/x
  3. Step 3: Cross multiply
    378,358,889.44x = 522,135,036.24 × 204,518,633.44
  4. Step 4: Simplify right side
    378,358,889.44x = 106,786,344,082,949,680
  5. Step 5: Solve for x
    x = 106,786,344,082,949,680/378,358,889.44
  6. Step 6: Final answer
    x = 282,235,589.18

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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.