Home / 724,119,745.10-1,086,179,617.65-178,861,279.10

Finding the Fourth Proportional to 724,119,745.10, 1,086,179,617.65 and 178,861,279.10

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Solution

The fourth proportional to 724,119,745.10, 1,086,179,617.65 and 178,861,279.10 is: 268,291,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,119,745.10 : 1,086,179,617.65 = 178,861,279.10 : x
  2. Step 2: Convert to fraction form
    724,119,745.10/1,086,179,617.65 = 178,861,279.10/x
  3. Step 3: Cross multiply
    724,119,745.10x = 1,086,179,617.65 × 178,861,279.10
  4. Step 4: Simplify right side
    724,119,745.10x = 194,275,475,745,227,936
  5. Step 5: Solve for x
    x = 194,275,475,745,227,936/724,119,745.10
  6. Step 6: Final answer
    x = 268,291,918.65

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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.