Home / 13,382,568,015.80-20,073,852,023.70-11,936,198,190.20

Finding the Fourth Proportional to 13,382,568,015.80, 20,073,852,023.70 and 11,936,198,190.20

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Solution

The fourth proportional to 13,382,568,015.80, 20,073,852,023.70 and 11,936,198,190.20 is: 17,904,297,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382,568,015.80 : 20,073,852,023.70 = 11,936,198,190.20 : x
  2. Step 2: Convert to fraction form
    13,382,568,015.80/20,073,852,023.70 = 11,936,198,190.20/x
  3. Step 3: Cross multiply
    13,382,568,015.80x = 20,073,852,023.70 × 11,936,198,190.20
  4. Step 4: Simplify right side
    13,382,568,015.80x = 239,605,476,195,630,579,712
  5. Step 5: Solve for x
    x = 239,605,476,195,630,579,712/13,382,568,015.80
  6. Step 6: Final answer
    x = 17,904,297,285.30

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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.