Home / 1,092,177,959.10-1,638,266,938.65-724,845,939.90

Finding the Fourth Proportional to 1,092,177,959.10, 1,638,266,938.65 and 724,845,939.90

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Solution

The fourth proportional to 1,092,177,959.10, 1,638,266,938.65 and 724,845,939.90 is: 1,087,268,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,177,959.10 : 1,638,266,938.65 = 724,845,939.90 : x
  2. Step 2: Convert to fraction form
    1,092,177,959.10/1,638,266,938.65 = 724,845,939.90/x
  3. Step 3: Cross multiply
    1,092,177,959.10x = 1,638,266,938.65 × 724,845,939.90
  4. Step 4: Simplify right side
    1,092,177,959.10x = 1,187,491,138,952,855,040
  5. Step 5: Solve for x
    x = 1,187,491,138,952,855,040/1,092,177,959.10
  6. Step 6: Final answer
    x = 1,087,268,909.85

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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.