Home / 80,207,656,161.76-120,315,480,504.28-30,524,829,032.80

Finding the Fourth Proportional to 80,207,656,161.76, 120,315,480,504.28 and 30,524,829,032.80

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Solution

The fourth proportional to 80,207,656,161.76, 120,315,480,504.28 and 30,524,829,032.80 is: 45,788,764,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,207,656,161.76 : 120,315,480,504.28 = 30,524,829,032.80 : x
  2. Step 2: Convert to fraction form
    80,207,656,161.76/120,315,480,504.28 = 30,524,829,032.80/x
  3. Step 3: Cross multiply
    80,207,656,161.76x = 120,315,480,504.28 × 30,524,829,032.80
  4. Step 4: Simplify right side
    80,207,656,161.76x = 3,672,609,472,392,328,642,560
  5. Step 5: Solve for x
    x = 3,672,609,472,392,328,642,560/80,207,656,161.76
  6. Step 6: Final answer
    x = 45,788,764,416.52

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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.