Home / 2,659,394,711.40-3,989,092,067.10-818,908,240.20

Finding the Fourth Proportional to 2,659,394,711.40, 3,989,092,067.10 and 818,908,240.20

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Solution

The fourth proportional to 2,659,394,711.40, 3,989,092,067.10 and 818,908,240.20 is: 1,228,362,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,394,711.40 : 3,989,092,067.10 = 818,908,240.20 : x
  2. Step 2: Convert to fraction form
    2,659,394,711.40/3,989,092,067.10 = 818,908,240.20/x
  3. Step 3: Cross multiply
    2,659,394,711.40x = 3,989,092,067.10 × 818,908,240.20
  4. Step 4: Simplify right side
    2,659,394,711.40x = 3,266,700,364,664,641,536
  5. Step 5: Solve for x
    x = 3,266,700,364,664,641,536/2,659,394,711.40
  6. Step 6: Final answer
    x = 1,228,362,360.30

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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.