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Finding the Fourth Proportional to 325,794,894.57, 449,469,739.67 and 186,491,211.21

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Solution

The fourth proportional to 325,794,894.57, 449,469,739.67 and 186,491,211.21 is: 257,285,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,794,894.57 : 449,469,739.67 = 186,491,211.21 : x
  2. Step 2: Convert to fraction form
    325,794,894.57/449,469,739.67 = 186,491,211.21/x
  3. Step 3: Cross multiply
    325,794,894.57x = 449,469,739.67 × 186,491,211.21
  4. Step 4: Simplify right side
    325,794,894.57x = 83,822,156,152,369,232
  5. Step 5: Solve for x
    x = 83,822,156,152,369,232/325,794,894.57
  6. Step 6: Final answer
    x = 257,285,051.27

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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.