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Finding the Fourth Proportional to 332,990,808.20, 499,486,212.30 and 327,888,974.60

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Solution

The fourth proportional to 332,990,808.20, 499,486,212.30 and 327,888,974.60 is: 491,833,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,990,808.20 : 499,486,212.30 = 327,888,974.60 : x
  2. Step 2: Convert to fraction form
    332,990,808.20/499,486,212.30 = 327,888,974.60/x
  3. Step 3: Cross multiply
    332,990,808.20x = 499,486,212.30 × 327,888,974.60
  4. Step 4: Simplify right side
    332,990,808.20x = 163,776,021,977,884,928
  5. Step 5: Solve for x
    x = 163,776,021,977,884,928/332,990,808.20
  6. Step 6: Final answer
    x = 491,833,461.90

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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.