Home / 262,445,602.80-393,668,404.20-80,692,780.80

Finding the Fourth Proportional to 262,445,602.80, 393,668,404.20 and 80,692,780.80

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Solution

The fourth proportional to 262,445,602.80, 393,668,404.20 and 80,692,780.80 is: 121,039,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,445,602.80 : 393,668,404.20 = 80,692,780.80 : x
  2. Step 2: Convert to fraction form
    262,445,602.80/393,668,404.20 = 80,692,780.80/x
  3. Step 3: Cross multiply
    262,445,602.80x = 393,668,404.20 × 80,692,780.80
  4. Step 4: Simplify right side
    262,445,602.80x = 31,766,198,247,996,396
  5. Step 5: Solve for x
    x = 31,766,198,247,996,396/262,445,602.80
  6. Step 6: Final answer
    x = 121,039,171.20

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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.