Home / 787,927,025.70-1,181,890,538.55-724,437,540.90

Finding the Fourth Proportional to 787,927,025.70, 1,181,890,538.55 and 724,437,540.90

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Solution

The fourth proportional to 787,927,025.70, 1,181,890,538.55 and 724,437,540.90 is: 1,086,656,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,927,025.70 : 1,181,890,538.55 = 724,437,540.90 : x
  2. Step 2: Convert to fraction form
    787,927,025.70/1,181,890,538.55 = 724,437,540.90/x
  3. Step 3: Cross multiply
    787,927,025.70x = 1,181,890,538.55 × 724,437,540.90
  4. Step 4: Simplify right side
    787,927,025.70x = 856,205,875,360,138,624
  5. Step 5: Solve for x
    x = 856,205,875,360,138,624/787,927,025.70
  6. Step 6: Final answer
    x = 1,086,656,311.35

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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.