Home / 874,569,846.45-1,311,857,260.11-252,835,691.94

Finding the Fourth Proportional to 874,569,846.45, 1,311,857,260.11 and 252,835,691.94

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Solution

The fourth proportional to 874,569,846.45, 1,311,857,260.11 and 252,835,691.94 is: 379,254,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,569,846.45 : 1,311,857,260.11 = 252,835,691.94 : x
  2. Step 2: Convert to fraction form
    874,569,846.45/1,311,857,260.11 = 252,835,691.94/x
  3. Step 3: Cross multiply
    874,569,846.45x = 1,311,857,260.11 × 252,835,691.94
  4. Step 4: Simplify right side
    874,569,846.45x = 331,684,338,086,424,384
  5. Step 5: Solve for x
    x = 331,684,338,086,424,384/874,569,846.45
  6. Step 6: Final answer
    x = 379,254,257.89

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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.