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Finding the Fourth Proportional to 363,733,491.76, 501,952,419.62 and 196,469,751.94

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Solution

The fourth proportional to 363,733,491.76, 501,952,419.62 and 196,469,751.94 is: 271,128,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,733,491.76 : 501,952,419.62 = 196,469,751.94 : x
  2. Step 2: Convert to fraction form
    363,733,491.76/501,952,419.62 = 196,469,751.94/x
  3. Step 3: Cross multiply
    363,733,491.76x = 501,952,419.62 × 196,469,751.94
  4. Step 4: Simplify right side
    363,733,491.76x = 98,618,467,368,424,192
  5. Step 5: Solve for x
    x = 98,618,467,368,424,192/363,733,491.76
  6. Step 6: Final answer
    x = 271,128,366.24

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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.