Home / 3,686,221,956.24-5,086,986,730.92-2,015,472,229.20

Finding the Fourth Proportional to 3,686,221,956.24, 5,086,986,730.92 and 2,015,472,229.20

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Solution

The fourth proportional to 3,686,221,956.24, 5,086,986,730.92 and 2,015,472,229.20 is: 2,781,351,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,221,956.24 : 5,086,986,730.92 = 2,015,472,229.20 : x
  2. Step 2: Convert to fraction form
    3,686,221,956.24/5,086,986,730.92 = 2,015,472,229.20/x
  3. Step 3: Cross multiply
    3,686,221,956.24x = 5,086,986,730.92 × 2,015,472,229.20
  4. Step 4: Simplify right side
    3,686,221,956.24x = 10,252,680,486,478,153,728
  5. Step 5: Solve for x
    x = 10,252,680,486,478,153,728/3,686,221,956.24
  6. Step 6: Final answer
    x = 2,781,351,912.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.