Home / 397,442,115.38-596,418,262.93-192,858,588.02

Finding the Fourth Proportional to 397,442,115.38, 596,418,262.93 and 192,858,588.02

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Solution

The fourth proportional to 397,442,115.38, 596,418,262.93 and 192,858,588.02 is: 289,411,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,442,115.38 : 596,418,262.93 = 192,858,588.02 : x
  2. Step 2: Convert to fraction form
    397,442,115.38/596,418,262.93 = 192,858,588.02/x
  3. Step 3: Cross multiply
    397,442,115.38x = 596,418,262.93 × 192,858,588.02
  4. Step 4: Simplify right side
    397,442,115.38x = 115,024,384,059,753,024
  5. Step 5: Solve for x
    x = 115,024,384,059,753,024/397,442,115.38
  6. Step 6: Final answer
    x = 289,411,664.26

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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.