Home / 351,042,956.66-484,206,020.15-225,753,554.84

Finding the Fourth Proportional to 351,042,956.66, 484,206,020.15 and 225,753,554.84

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Solution

The fourth proportional to 351,042,956.66, 484,206,020.15 and 225,753,554.84 is: 311,389,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,042,956.66 : 484,206,020.15 = 225,753,554.84 : x
  2. Step 2: Convert to fraction form
    351,042,956.66/484,206,020.15 = 225,753,554.84/x
  3. Step 3: Cross multiply
    351,042,956.66x = 484,206,020.15 × 225,753,554.84
  4. Step 4: Simplify right side
    351,042,956.66x = 109,311,230,320,241,376
  5. Step 5: Solve for x
    x = 109,311,230,320,241,376/351,042,956.66
  6. Step 6: Final answer
    x = 311,389,897.58

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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.