Home / 522,722,423.20-784,083,634.80-497,213,255.20

Finding the Fourth Proportional to 522,722,423.20, 784,083,634.80 and 497,213,255.20

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Solution

The fourth proportional to 522,722,423.20, 784,083,634.80 and 497,213,255.20 is: 745,819,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,722,423.20 : 784,083,634.80 = 497,213,255.20 : x
  2. Step 2: Convert to fraction form
    522,722,423.20/784,083,634.80 = 497,213,255.20/x
  3. Step 3: Cross multiply
    522,722,423.20x = 784,083,634.80 × 497,213,255.20
  4. Step 4: Simplify right side
    522,722,423.20x = 389,856,776,407,955,968
  5. Step 5: Solve for x
    x = 389,856,776,407,955,968/522,722,423.20
  6. Step 6: Final answer
    x = 745,819,882.80

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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.