Home / 327,728,961.84-491,250,055.68-152,707,699.92

Finding the Fourth Proportional to 327,728,961.84, 491,250,055.68 and 152,707,699.92

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Solution

The fourth proportional to 327,728,961.84, 491,250,055.68 and 152,707,699.92 is: 228,901,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,728,961.84 : 491,250,055.68 = 152,707,699.92 : x
  2. Step 2: Convert to fraction form
    327,728,961.84/491,250,055.68 = 152,707,699.92/x
  3. Step 3: Cross multiply
    327,728,961.84x = 491,250,055.68 × 152,707,699.92
  4. Step 4: Simplify right side
    327,728,961.84x = 75,017,666,088,464,720
  5. Step 5: Solve for x
    x = 75,017,666,088,464,720/327,728,961.84
  6. Step 6: Final answer
    x = 228,901,546.17

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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.