Home / 13,908,026,138.60-20,854,872,846.30-5,179,397,709.80

Finding the Fourth Proportional to 13,908,026,138.60, 20,854,872,846.30 and 5,179,397,709.80

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Solution

The fourth proportional to 13,908,026,138.60, 20,854,872,846.30 and 5,179,397,709.80 is: 7,766,427,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,026,138.60 : 20,854,872,846.30 = 5,179,397,709.80 : x
  2. Step 2: Convert to fraction form
    13,908,026,138.60/20,854,872,846.30 = 5,179,397,709.80/x
  3. Step 3: Cross multiply
    13,908,026,138.60x = 20,854,872,846.30 × 5,179,397,709.80
  4. Step 4: Simplify right side
    13,908,026,138.60x = 108,015,680,658,296,422,400
  5. Step 5: Solve for x
    x = 108,015,680,658,296,422,400/13,908,026,138.60
  6. Step 6: Final answer
    x = 7,766,427,786.51

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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.