Home / 39,394,169,961.55-59,094,887,546.49-12,864,825,559.78

Finding the Fourth Proportional to 39,394,169,961.55, 59,094,887,546.49 and 12,864,825,559.78

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Solution

The fourth proportional to 39,394,169,961.55, 59,094,887,546.49 and 12,864,825,559.78 is: 19,298,424,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394,169,961.55 : 59,094,887,546.49 = 12,864,825,559.78 : x
  2. Step 2: Convert to fraction form
    39,394,169,961.55/59,094,887,546.49 = 12,864,825,559.78/x
  3. Step 3: Cross multiply
    39,394,169,961.55x = 59,094,887,546.49 × 12,864,825,559.78
  4. Step 4: Simplify right side
    39,394,169,961.55x = 760,245,419,760,409,378,816
  5. Step 5: Solve for x
    x = 760,245,419,760,409,378,816/39,394,169,961.55
  6. Step 6: Final answer
    x = 19,298,424,627.36

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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.