Home / 325,405,129.92-449,067,848.64-191,452,396.56

Finding the Fourth Proportional to 325,405,129.92, 449,067,848.64 and 191,452,396.56

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Solution

The fourth proportional to 325,405,129.92, 449,067,848.64 and 191,452,396.56 is: 264,209,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,405,129.92 : 449,067,848.64 = 191,452,396.56 : x
  2. Step 2: Convert to fraction form
    325,405,129.92/449,067,848.64 = 191,452,396.56/x
  3. Step 3: Cross multiply
    325,405,129.92x = 449,067,848.64 × 191,452,396.56
  4. Step 4: Simplify right side
    325,405,129.92x = 85,975,115,840,171,328
  5. Step 5: Solve for x
    x = 85,975,115,840,171,328/325,405,129.92
  6. Step 6: Final answer
    x = 264,209,466.71

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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.