Home / 2,659,391,998.80-3,989,087,998.20-2,582,864,494.80

Finding the Fourth Proportional to 2,659,391,998.80, 3,989,087,998.20 and 2,582,864,494.80

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Solution

The fourth proportional to 2,659,391,998.80, 3,989,087,998.20 and 2,582,864,494.80 is: 3,874,296,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,391,998.80 : 3,989,087,998.20 = 2,582,864,494.80 : x
  2. Step 2: Convert to fraction form
    2,659,391,998.80/3,989,087,998.20 = 2,582,864,494.80/x
  3. Step 3: Cross multiply
    2,659,391,998.80x = 3,989,087,998.20 × 2,582,864,494.80
  4. Step 4: Simplify right side
    2,659,391,998.80x = 10,303,273,757,183,586,304
  5. Step 5: Solve for x
    x = 10,303,273,757,183,586,304/2,659,391,998.80
  6. Step 6: Final answer
    x = 3,874,296,742.20

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Half scale
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Double scale
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Similar ratio
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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.