Home / 262,445,600.80-393,668,401.20-80,692,778.80

Finding the Fourth Proportional to 262,445,600.80, 393,668,401.20 and 80,692,778.80

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Solution

The fourth proportional to 262,445,600.80, 393,668,401.20 and 80,692,778.80 is: 121,039,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,445,600.80 : 393,668,401.20 = 80,692,778.80 : x
  2. Step 2: Convert to fraction form
    262,445,600.80/393,668,401.20 = 80,692,778.80/x
  3. Step 3: Cross multiply
    262,445,600.80x = 393,668,401.20 × 80,692,778.80
  4. Step 4: Simplify right side
    262,445,600.80x = 31,766,197,218,581,252
  5. Step 5: Solve for x
    x = 31,766,197,218,581,252/262,445,600.80
  6. Step 6: Final answer
    x = 121,039,168.20

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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.