Home / 852,679,613.87-1,176,632,194.15-481,438,288.43

Finding the Fourth Proportional to 852,679,613.87, 1,176,632,194.15 and 481,438,288.43

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Solution

The fourth proportional to 852,679,613.87, 1,176,632,194.15 and 481,438,288.43 is: 664,347,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,679,613.87 : 1,176,632,194.15 = 481,438,288.43 : x
  2. Step 2: Convert to fraction form
    852,679,613.87/1,176,632,194.15 = 481,438,288.43/x
  3. Step 3: Cross multiply
    852,679,613.87x = 1,176,632,194.15 × 481,438,288.43
  4. Step 4: Simplify right side
    852,679,613.87x = 566,475,789,663,211,520
  5. Step 5: Solve for x
    x = 566,475,789,663,211,520/852,679,613.87
  6. Step 6: Final answer
    x = 664,347,757.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.