Home / 8,990,751,326.40-13,486,126,989.60-8,853,001,819.20

Finding the Fourth Proportional to 8,990,751,326.40, 13,486,126,989.60 and 8,853,001,819.20

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Solution

The fourth proportional to 8,990,751,326.40, 13,486,126,989.60 and 8,853,001,819.20 is: 13,279,502,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,751,326.40 : 13,486,126,989.60 = 8,853,001,819.20 : x
  2. Step 2: Convert to fraction form
    8,990,751,326.40/13,486,126,989.60 = 8,853,001,819.20/x
  3. Step 3: Cross multiply
    8,990,751,326.40x = 13,486,126,989.60 × 8,853,001,819.20
  4. Step 4: Simplify right side
    8,990,751,326.40x = 119,392,706,772,891,025,408
  5. Step 5: Solve for x
    x = 119,392,706,772,891,025,408/8,990,751,326.40
  6. Step 6: Final answer
    x = 13,279,502,728.80

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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.