Home / 1,316,290,691.70-1,974,436,037.55-540,493,119.90

Finding the Fourth Proportional to 1,316,290,691.70, 1,974,436,037.55 and 540,493,119.90

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Solution

The fourth proportional to 1,316,290,691.70, 1,974,436,037.55 and 540,493,119.90 is: 810,739,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,290,691.70 : 1,974,436,037.55 = 540,493,119.90 : x
  2. Step 2: Convert to fraction form
    1,316,290,691.70/1,974,436,037.55 = 540,493,119.90/x
  3. Step 3: Cross multiply
    1,316,290,691.70x = 1,974,436,037.55 × 540,493,119.90
  4. Step 4: Simplify right side
    1,316,290,691.70x = 1,067,169,093,978,392,960
  5. Step 5: Solve for x
    x = 1,067,169,093,978,392,960/1,316,290,691.70
  6. Step 6: Final answer
    x = 810,739,679.85

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Double scale
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Similar ratio
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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.