Home / 11,177,236,266.80-16,765,854,400.20-9,515,313,971.60

Finding the Fourth Proportional to 11,177,236,266.80, 16,765,854,400.20 and 9,515,313,971.60

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Solution

The fourth proportional to 11,177,236,266.80, 16,765,854,400.20 and 9,515,313,971.60 is: 14,272,970,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,236,266.80 : 16,765,854,400.20 = 9,515,313,971.60 : x
  2. Step 2: Convert to fraction form
    11,177,236,266.80/16,765,854,400.20 = 9,515,313,971.60/x
  3. Step 3: Cross multiply
    11,177,236,266.80x = 16,765,854,400.20 × 9,515,313,971.60
  4. Step 4: Simplify right side
    11,177,236,266.80x = 159,532,368,620,034,424,832
  5. Step 5: Solve for x
    x = 159,532,368,620,034,424,832/11,177,236,266.80
  6. Step 6: Final answer
    x = 14,272,970,957.40

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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.