Home / 2,215,858,917.44-3,057,957,793.37-1,212,253,202.78

Finding the Fourth Proportional to 2,215,858,917.44, 3,057,957,793.37 and 1,212,253,202.78

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Solution

The fourth proportional to 2,215,858,917.44, 3,057,957,793.37 and 1,212,253,202.78 is: 1,672,949,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,858,917.44 : 3,057,957,793.37 = 1,212,253,202.78 : x
  2. Step 2: Convert to fraction form
    2,215,858,917.44/3,057,957,793.37 = 1,212,253,202.78/x
  3. Step 3: Cross multiply
    2,215,858,917.44x = 3,057,957,793.37 × 1,212,253,202.78
  4. Step 4: Simplify right side
    2,215,858,917.44x = 3,707,019,128,971,110,912
  5. Step 5: Solve for x
    x = 3,707,019,128,971,110,912/2,215,858,917.44
  6. Step 6: Final answer
    x = 1,672,949,076.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.