Home / 1,311,268,704.38-1,809,654,000.99-746,777,481.74

Finding the Fourth Proportional to 1,311,268,704.38, 1,809,654,000.99 and 746,777,481.74

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Solution

The fourth proportional to 1,311,268,704.38, 1,809,654,000.99 and 746,777,481.74 is: 1,030,611,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,268,704.38 : 1,809,654,000.99 = 746,777,481.74 : x
  2. Step 2: Convert to fraction form
    1,311,268,704.38/1,809,654,000.99 = 746,777,481.74/x
  3. Step 3: Cross multiply
    1,311,268,704.38x = 1,809,654,000.99 × 746,777,481.74
  4. Step 4: Simplify right side
    1,311,268,704.38x = 1,351,408,857,680,027,648
  5. Step 5: Solve for x
    x = 1,351,408,857,680,027,648/1,311,268,704.38
  6. Step 6: Final answer
    x = 1,030,611,691.69

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.