Home / 1,180,982,840.40-1,771,474,260.60-721,817,816.40

Finding the Fourth Proportional to 1,180,982,840.40, 1,771,474,260.60 and 721,817,816.40

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Solution

The fourth proportional to 1,180,982,840.40, 1,771,474,260.60 and 721,817,816.40 is: 1,082,726,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,982,840.40 : 1,771,474,260.60 = 721,817,816.40 : x
  2. Step 2: Convert to fraction form
    1,180,982,840.40/1,771,474,260.60 = 721,817,816.40/x
  3. Step 3: Cross multiply
    1,180,982,840.40x = 1,771,474,260.60 × 721,817,816.40
  4. Step 4: Simplify right side
    1,180,982,840.40x = 1,278,681,682,595,096,320
  5. Step 5: Solve for x
    x = 1,278,681,682,595,096,320/1,180,982,840.40
  6. Step 6: Final answer
    x = 1,082,726,724.60

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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.