Home / 8,805,891,328.40-13,208,836,992.60-8,132,449,293.20

Finding the Fourth Proportional to 8,805,891,328.40, 13,208,836,992.60 and 8,132,449,293.20

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Solution

The fourth proportional to 8,805,891,328.40, 13,208,836,992.60 and 8,132,449,293.20 is: 12,198,673,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,891,328.40 : 13,208,836,992.60 = 8,132,449,293.20 : x
  2. Step 2: Convert to fraction form
    8,805,891,328.40/13,208,836,992.60 = 8,132,449,293.20/x
  3. Step 3: Cross multiply
    8,805,891,328.40x = 13,208,836,992.60 × 8,132,449,293.20
  4. Step 4: Simplify right side
    8,805,891,328.40x = 107,420,197,064,463,876,096
  5. Step 5: Solve for x
    x = 107,420,197,064,463,876,096/8,805,891,328.40
  6. Step 6: Final answer
    x = 12,198,673,939.80

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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.