Home / 36,916,777,820.39-50,944,489,309.18-20,859,114,134.78

Finding the Fourth Proportional to 36,916,777,820.39, 50,944,489,309.18 and 20,859,114,134.78

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Solution

The fourth proportional to 36,916,777,820.39, 50,944,489,309.18 and 20,859,114,134.78 is: 28,785,202,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,916,777,820.39 : 50,944,489,309.18 = 20,859,114,134.78 : x
  2. Step 2: Convert to fraction form
    36,916,777,820.39/50,944,489,309.18 = 20,859,114,134.78/x
  3. Step 3: Cross multiply
    36,916,777,820.39x = 50,944,489,309.18 × 20,859,114,134.78
  4. Step 4: Simplify right side
    36,916,777,820.39x = 1,062,656,917,038,265,139,200
  5. Step 5: Solve for x
    x = 1,062,656,917,038,265,139,200/36,916,777,820.39
  6. Step 6: Final answer
    x = 28,785,202,278.71

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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.