Home / 12,754,906,138.60-19,132,359,207.90-11,980,065,160.60

Finding the Fourth Proportional to 12,754,906,138.60, 19,132,359,207.90 and 11,980,065,160.60

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Solution

The fourth proportional to 12,754,906,138.60, 19,132,359,207.90 and 11,980,065,160.60 is: 17,970,097,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,906,138.60 : 19,132,359,207.90 = 11,980,065,160.60 : x
  2. Step 2: Convert to fraction form
    12,754,906,138.60/19,132,359,207.90 = 11,980,065,160.60/x
  3. Step 3: Cross multiply
    12,754,906,138.60x = 19,132,359,207.90 × 11,980,065,160.60
  4. Step 4: Simplify right side
    12,754,906,138.60x = 229,206,909,986,647,441,408
  5. Step 5: Solve for x
    x = 229,206,909,986,647,441,408/12,754,906,138.60
  6. Step 6: Final answer
    x = 17,970,097,740.90

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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.