Home / 724,119,743.10-1,086,179,614.65-178,861,277.10

Finding the Fourth Proportional to 724,119,743.10, 1,086,179,614.65 and 178,861,277.10

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Solution

The fourth proportional to 724,119,743.10, 1,086,179,614.65 and 178,861,277.10 is: 268,291,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,119,743.10 : 1,086,179,614.65 = 178,861,277.10 : x
  2. Step 2: Convert to fraction form
    724,119,743.10/1,086,179,614.65 = 178,861,277.10/x
  3. Step 3: Cross multiply
    724,119,743.10x = 1,086,179,614.65 × 178,861,277.10
  4. Step 4: Simplify right side
    724,119,743.10x = 194,275,473,036,284,896
  5. Step 5: Solve for x
    x = 194,275,473,036,284,896/724,119,743.10
  6. Step 6: Final answer
    x = 268,291,915.65

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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.