Home / 17,909,037,180.40-26,863,555,770.60-8,587,987,193.20

Finding the Fourth Proportional to 17,909,037,180.40, 26,863,555,770.60 and 8,587,987,193.20

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Solution

The fourth proportional to 17,909,037,180.40, 26,863,555,770.60 and 8,587,987,193.20 is: 12,881,980,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909,037,180.40 : 26,863,555,770.60 = 8,587,987,193.20 : x
  2. Step 2: Convert to fraction form
    17,909,037,180.40/26,863,555,770.60 = 8,587,987,193.20/x
  3. Step 3: Cross multiply
    17,909,037,180.40x = 26,863,555,770.60 × 8,587,987,193.20
  4. Step 4: Simplify right side
    17,909,037,180.40x = 230,703,872,921,726,746,624
  5. Step 5: Solve for x
    x = 230,703,872,921,726,746,624/17,909,037,180.40
  6. Step 6: Final answer
    x = 12,881,980,789.80

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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.