Home / 1,092,178,155.60-1,638,267,233.40-724,846,136.40

Finding the Fourth Proportional to 1,092,178,155.60, 1,638,267,233.40 and 724,846,136.40

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Solution

The fourth proportional to 1,092,178,155.60, 1,638,267,233.40 and 724,846,136.40 is: 1,087,269,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,178,155.60 : 1,638,267,233.40 = 724,846,136.40 : x
  2. Step 2: Convert to fraction form
    1,092,178,155.60/1,638,267,233.40 = 724,846,136.40/x
  3. Step 3: Cross multiply
    1,092,178,155.60x = 1,638,267,233.40 × 724,846,136.40
  4. Step 4: Simplify right side
    1,092,178,155.60x = 1,187,491,674,520,707,072
  5. Step 5: Solve for x
    x = 1,187,491,674,520,707,072/1,092,178,155.60
  6. Step 6: Final answer
    x = 1,087,269,204.60

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Double scale
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Similar ratio
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1.5x scale

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.