Home / 12,754,906,007.60-19,132,359,011.40-11,980,065,029.60

Finding the Fourth Proportional to 12,754,906,007.60, 19,132,359,011.40 and 11,980,065,029.60

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Solution

The fourth proportional to 12,754,906,007.60, 19,132,359,011.40 and 11,980,065,029.60 is: 17,970,097,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,906,007.60 : 19,132,359,011.40 = 11,980,065,029.60 : x
  2. Step 2: Convert to fraction form
    12,754,906,007.60/19,132,359,011.40 = 11,980,065,029.60/x
  3. Step 3: Cross multiply
    12,754,906,007.60x = 19,132,359,011.40 × 11,980,065,029.60
  4. Step 4: Simplify right side
    12,754,906,007.60x = 229,206,905,126,225,608,704
  5. Step 5: Solve for x
    x = 229,206,905,126,225,608,704/12,754,906,007.60
  6. Step 6: Final answer
    x = 17,970,097,544.40

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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.