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Finding the Fourth Proportional to 363,733,496.68, 501,952,426.44 and 196,469,756.88

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Solution

The fourth proportional to 363,733,496.68, 501,952,426.44 and 196,469,756.88 is: 271,128,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,733,496.68 : 501,952,426.44 = 196,469,756.88 : x
  2. Step 2: Convert to fraction form
    363,733,496.68/501,952,426.44 = 196,469,756.88/x
  3. Step 3: Cross multiply
    363,733,496.68x = 501,952,426.44 × 196,469,756.88
  4. Step 4: Simplify right side
    363,733,496.68x = 98,618,471,187,992,880
  5. Step 5: Solve for x
    x = 98,618,471,187,992,880/363,733,496.68
  6. Step 6: Final answer
    x = 271,128,373.08

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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.