Home / 1,324,659,066.10-1,986,988,599.15-1,315,589,139.70

Finding the Fourth Proportional to 1,324,659,066.10, 1,986,988,599.15 and 1,315,589,139.70

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Solution

The fourth proportional to 1,324,659,066.10, 1,986,988,599.15 and 1,315,589,139.70 is: 1,973,383,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,659,066.10 : 1,986,988,599.15 = 1,315,589,139.70 : x
  2. Step 2: Convert to fraction form
    1,324,659,066.10/1,986,988,599.15 = 1,315,589,139.70/x
  3. Step 3: Cross multiply
    1,324,659,066.10x = 1,986,988,599.15 × 1,315,589,139.70
  4. Step 4: Simplify right side
    1,324,659,066.10x = 2,614,060,621,749,456,896
  5. Step 5: Solve for x
    x = 2,614,060,621,749,456,896/1,324,659,066.10
  6. Step 6: Final answer
    x = 1,973,383,709.55

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Double scale
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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.