Home / 1,180,982,820.40-1,771,474,230.60-721,817,796.40

Finding the Fourth Proportional to 1,180,982,820.40, 1,771,474,230.60 and 721,817,796.40

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Solution

The fourth proportional to 1,180,982,820.40, 1,771,474,230.60 and 721,817,796.40 is: 1,082,726,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,982,820.40 : 1,771,474,230.60 = 721,817,796.40 : x
  2. Step 2: Convert to fraction form
    1,180,982,820.40/1,771,474,230.60 = 721,817,796.40/x
  3. Step 3: Cross multiply
    1,180,982,820.40x = 1,771,474,230.60 × 721,817,796.40
  4. Step 4: Simplify right side
    1,180,982,820.40x = 1,278,681,625,511,077,376
  5. Step 5: Solve for x
    x = 1,278,681,625,511,077,376/1,180,982,820.40
  6. Step 6: Final answer
    x = 1,082,726,694.60

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Double scale
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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.