Home / 12,432,821,761.85-18,649,232,642.78-12,432,821,761.85

Finding the Fourth Proportional to 12,432,821,761.85, 18,649,232,642.78 and 12,432,821,761.85

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Solution

The fourth proportional to 12,432,821,761.85, 18,649,232,642.78 and 12,432,821,761.85 is: 18,649,232,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,821,761.85 : 18,649,232,642.78 = 12,432,821,761.85 : x
  2. Step 2: Convert to fraction form
    12,432,821,761.85/18,649,232,642.78 = 12,432,821,761.85/x
  3. Step 3: Cross multiply
    12,432,821,761.85x = 18,649,232,642.78 × 12,432,821,761.85
  4. Step 4: Simplify right side
    12,432,821,761.85x = 231,862,585,442,958,573,568
  5. Step 5: Solve for x
    x = 231,862,585,442,958,573,568/12,432,821,761.85
  6. Step 6: Final answer
    x = 18,649,232,642.78

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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.