Home / 397,442,115.82-596,418,263.59-192,858,588.46

Finding the Fourth Proportional to 397,442,115.82, 596,418,263.59 and 192,858,588.46

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Solution

The fourth proportional to 397,442,115.82, 596,418,263.59 and 192,858,588.46 is: 289,411,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,442,115.82 : 596,418,263.59 = 192,858,588.46 : x
  2. Step 2: Convert to fraction form
    397,442,115.82/596,418,263.59 = 192,858,588.46/x
  3. Step 3: Cross multiply
    397,442,115.82x = 596,418,263.59 × 192,858,588.46
  4. Step 4: Simplify right side
    397,442,115.82x = 115,024,384,447,731,616
  5. Step 5: Solve for x
    x = 115,024,384,447,731,616/397,442,115.82
  6. Step 6: Final answer
    x = 289,411,664.92

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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.