Home / 327,402,550.80-491,103,826.20-198,262,387.80

Finding the Fourth Proportional to 327,402,550.80, 491,103,826.20 and 198,262,387.80

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Solution

The fourth proportional to 327,402,550.80, 491,103,826.20 and 198,262,387.80 is: 297,393,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,402,550.80 : 491,103,826.20 = 198,262,387.80 : x
  2. Step 2: Convert to fraction form
    327,402,550.80/491,103,826.20 = 198,262,387.80/x
  3. Step 3: Cross multiply
    327,402,550.80x = 491,103,826.20 × 198,262,387.80
  4. Step 4: Simplify right side
    327,402,550.80x = 97,367,417,240,128,208
  5. Step 5: Solve for x
    x = 97,367,417,240,128,208/327,402,550.80
  6. Step 6: Final answer
    x = 297,393,581.70

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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.