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Finding the Fourth Proportional to 360,888,594.78, 498,026,629.40 and 195,876,198.30

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Solution

The fourth proportional to 360,888,594.78, 498,026,629.40 and 195,876,198.30 is: 270,309,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,888,594.78 : 498,026,629.40 = 195,876,198.30 : x
  2. Step 2: Convert to fraction form
    360,888,594.78/498,026,629.40 = 195,876,198.30/x
  3. Step 3: Cross multiply
    360,888,594.78x = 498,026,629.40 × 195,876,198.30
  4. Step 4: Simplify right side
    360,888,594.78x = 97,551,562,818,055,632
  5. Step 5: Solve for x
    x = 97,551,562,818,055,632/360,888,594.78
  6. Step 6: Final answer
    x = 270,309,353.71

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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.