Home / 12,265,632,003.70-18,398,448,005.55-8,782,780,266.10

Finding the Fourth Proportional to 12,265,632,003.70, 18,398,448,005.55 and 8,782,780,266.10

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Solution

The fourth proportional to 12,265,632,003.70, 18,398,448,005.55 and 8,782,780,266.10 is: 13,174,170,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,632,003.70 : 18,398,448,005.55 = 8,782,780,266.10 : x
  2. Step 2: Convert to fraction form
    12,265,632,003.70/18,398,448,005.55 = 8,782,780,266.10/x
  3. Step 3: Cross multiply
    12,265,632,003.70x = 18,398,448,005.55 × 8,782,780,266.10
  4. Step 4: Simplify right side
    12,265,632,003.70x = 161,589,526,070,011,428,864
  5. Step 5: Solve for x
    x = 161,589,526,070,011,428,864/12,265,632,003.70
  6. Step 6: Final answer
    x = 13,174,170,399.15

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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.