Home / 8,258,351,998.20-12,387,527,997.30-5,642,364,593.40

Finding the Fourth Proportional to 8,258,351,998.20, 12,387,527,997.30 and 5,642,364,593.40

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Solution

The fourth proportional to 8,258,351,998.20, 12,387,527,997.30 and 5,642,364,593.40 is: 8,463,546,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,351,998.20 : 12,387,527,997.30 = 5,642,364,593.40 : x
  2. Step 2: Convert to fraction form
    8,258,351,998.20/12,387,527,997.30 = 5,642,364,593.40/x
  3. Step 3: Cross multiply
    8,258,351,998.20x = 12,387,527,997.30 × 5,642,364,593.40
  4. Step 4: Simplify right side
    8,258,351,998.20x = 69,894,949,371,716,722,688
  5. Step 5: Solve for x
    x = 69,894,949,371,716,722,688/8,258,351,998.20
  6. Step 6: Final answer
    x = 8,463,546,890.10

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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.