Home / 1,324,659,066.60-1,986,988,599.90-1,315,589,140.20

Finding the Fourth Proportional to 1,324,659,066.60, 1,986,988,599.90 and 1,315,589,140.20

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Solution

The fourth proportional to 1,324,659,066.60, 1,986,988,599.90 and 1,315,589,140.20 is: 1,973,383,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,659,066.60 : 1,986,988,599.90 = 1,315,589,140.20 : x
  2. Step 2: Convert to fraction form
    1,324,659,066.60/1,986,988,599.90 = 1,315,589,140.20/x
  3. Step 3: Cross multiply
    1,324,659,066.60x = 1,986,988,599.90 × 1,315,589,140.20
  4. Step 4: Simplify right side
    1,324,659,066.60x = 2,614,060,623,729,643,008
  5. Step 5: Solve for x
    x = 2,614,060,623,729,643,008/1,324,659,066.60
  6. Step 6: Final answer
    x = 1,973,383,710.30

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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.