Home / 812,516,234.04-1,121,615,644.50-548,555,763.24

Finding the Fourth Proportional to 812,516,234.04, 1,121,615,644.50 and 548,555,763.24

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Solution

The fourth proportional to 812,516,234.04, 1,121,615,644.50 and 548,555,763.24 is: 757,238,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,516,234.04 : 1,121,615,644.50 = 548,555,763.24 : x
  2. Step 2: Convert to fraction form
    812,516,234.04/1,121,615,644.50 = 548,555,763.24/x
  3. Step 3: Cross multiply
    812,516,234.04x = 1,121,615,644.50 × 548,555,763.24
  4. Step 4: Simplify right side
    812,516,234.04x = 615,268,725,930,622,080
  5. Step 5: Solve for x
    x = 615,268,725,930,622,080/812,516,234.04
  6. Step 6: Final answer
    x = 757,238,686.63

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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.