Home / 655,351,410.60-982,365,767.10-327,322,405.80

Finding the Fourth Proportional to 655,351,410.60, 982,365,767.10 and 327,322,405.80

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Solution

The fourth proportional to 655,351,410.60, 982,365,767.10 and 327,322,405.80 is: 490,653,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,351,410.60 : 982,365,767.10 = 327,322,405.80 : x
  2. Step 2: Convert to fraction form
    655,351,410.60/982,365,767.10 = 327,322,405.80/x
  3. Step 3: Cross multiply
    655,351,410.60x = 982,365,767.10 × 327,322,405.80
  4. Step 4: Simplify right side
    655,351,410.60x = 321,550,326,262,734,528
  5. Step 5: Solve for x
    x = 321,550,326,262,734,528/655,351,410.60
  6. Step 6: Final answer
    x = 490,653,290.83

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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.