Home / 2,861,516,367.79-4,292,479,561.90-762,981,782.61

Finding the Fourth Proportional to 2,861,516,367.79, 4,292,479,561.90 and 762,981,782.61

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Solution

The fourth proportional to 2,861,516,367.79, 4,292,479,561.90 and 762,981,782.61 is: 1,144,527,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,516,367.79 : 4,292,479,561.90 = 762,981,782.61 : x
  2. Step 2: Convert to fraction form
    2,861,516,367.79/4,292,479,561.90 = 762,981,782.61/x
  3. Step 3: Cross multiply
    2,861,516,367.79x = 4,292,479,561.90 × 762,981,782.61
  4. Step 4: Simplify right side
    2,861,516,367.79x = 3,275,083,707,955,453,952
  5. Step 5: Solve for x
    x = 3,275,083,707,955,453,952/2,861,516,367.79
  6. Step 6: Final answer
    x = 1,144,527,336.91

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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.