Home / 494,366,667.78-741,132,949.68-406,932,499.79

Finding the Fourth Proportional to 494,366,667.78, 741,132,949.68 and 406,932,499.79

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Solution

The fourth proportional to 494,366,667.78, 741,132,949.68 and 406,932,499.79 is: 610,055,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,366,667.78 : 741,132,949.68 = 406,932,499.79 : x
  2. Step 2: Convert to fraction form
    494,366,667.78/741,132,949.68 = 406,932,499.79/x
  3. Step 3: Cross multiply
    494,366,667.78x = 741,132,949.68 × 406,932,499.79
  4. Step 4: Simplify right side
    494,366,667.78x = 301,591,083,886,313,024
  5. Step 5: Solve for x
    x = 301,591,083,886,313,024/494,366,667.78
  6. Step 6: Final answer
    x = 610,055,457.91

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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.