Home / 80,207,656,159.26-120,315,480,500.52-30,524,829,030.30

Finding the Fourth Proportional to 80,207,656,159.26, 120,315,480,500.52 and 30,524,829,030.30

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Solution

The fourth proportional to 80,207,656,159.26, 120,315,480,500.52 and 30,524,829,030.30 is: 45,788,764,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,207,656,159.26 : 120,315,480,500.52 = 30,524,829,030.30 : x
  2. Step 2: Convert to fraction form
    80,207,656,159.26/120,315,480,500.52 = 30,524,829,030.30/x
  3. Step 3: Cross multiply
    80,207,656,159.26x = 120,315,480,500.52 × 30,524,829,030.30
  4. Step 4: Simplify right side
    80,207,656,159.26x = 3,672,609,471,976,766,439,424
  5. Step 5: Solve for x
    x = 3,672,609,471,976,766,439,424/80,207,656,159.26
  6. Step 6: Final answer
    x = 45,788,764,412.77

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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.