Home / 38,257,143,884.46-57,402,288,519.03-20,550,160,407.78

Finding the Fourth Proportional to 38,257,143,884.46, 57,402,288,519.03 and 20,550,160,407.78

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Solution

The fourth proportional to 38,257,143,884.46, 57,402,288,519.03 and 20,550,160,407.78 is: 30,834,142,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257,143,884.46 : 57,402,288,519.03 = 20,550,160,407.78 : x
  2. Step 2: Convert to fraction form
    38,257,143,884.46/57,402,288,519.03 = 20,550,160,407.78/x
  3. Step 3: Cross multiply
    38,257,143,884.46x = 57,402,288,519.03 × 20,550,160,407.78
  4. Step 4: Simplify right side
    38,257,143,884.46x = 1,179,626,236,839,734,673,408
  5. Step 5: Solve for x
    x = 1,179,626,236,839,734,673,408/38,257,143,884.46
  6. Step 6: Final answer
    x = 30,834,142,778.73

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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.