Home / 12,754,906,131.60-19,132,359,197.40-11,980,065,153.60

Finding the Fourth Proportional to 12,754,906,131.60, 19,132,359,197.40 and 11,980,065,153.60

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Solution

The fourth proportional to 12,754,906,131.60, 19,132,359,197.40 and 11,980,065,153.60 is: 17,970,097,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,906,131.60 : 19,132,359,197.40 = 11,980,065,153.60 : x
  2. Step 2: Convert to fraction form
    12,754,906,131.60/19,132,359,197.40 = 11,980,065,153.60/x
  3. Step 3: Cross multiply
    12,754,906,131.60x = 19,132,359,197.40 × 11,980,065,153.60
  4. Step 4: Simplify right side
    12,754,906,131.60x = 229,206,909,726,930,239,488
  5. Step 5: Solve for x
    x = 229,206,909,726,930,239,488/12,754,906,131.60
  6. Step 6: Final answer
    x = 17,970,097,730.40

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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.