Home / 812,226,143.60-1,216,352,240.08-733,619,229.20

Finding the Fourth Proportional to 812,226,143.60, 1,216,352,240.08 and 733,619,229.20

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Solution

The fourth proportional to 812,226,143.60, 1,216,352,240.08 and 733,619,229.20 is: 1,098,634,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,226,143.60 : 1,216,352,240.08 = 733,619,229.20 : x
  2. Step 2: Convert to fraction form
    812,226,143.60/1,216,352,240.08 = 733,619,229.20/x
  3. Step 3: Cross multiply
    812,226,143.60x = 1,216,352,240.08 × 733,619,229.20
  4. Step 4: Simplify right side
    812,226,143.60x = 892,339,392,803,182,976
  5. Step 5: Solve for x
    x = 892,339,392,803,182,976/812,226,143.60
  6. Step 6: Final answer
    x = 1,098,634,167.14

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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.