Home / 321,608,534.36-443,699,546.46-189,368,711.96

Finding the Fourth Proportional to 321,608,534.36, 443,699,546.46 and 189,368,711.96

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Solution

The fourth proportional to 321,608,534.36, 443,699,546.46 and 189,368,711.96 is: 261,258,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,608,534.36 : 443,699,546.46 = 189,368,711.96 : x
  2. Step 2: Convert to fraction form
    321,608,534.36/443,699,546.46 = 189,368,711.96/x
  3. Step 3: Cross multiply
    321,608,534.36x = 443,699,546.46 × 189,368,711.96
  4. Step 4: Simplify right side
    321,608,534.36x = 84,022,811,610,366,384
  5. Step 5: Solve for x
    x = 84,022,811,610,366,384/321,608,534.36
  6. Step 6: Final answer
    x = 261,258,028.42

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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.