Home / 444,288,738.78-612,823,239.78-285,719,339.58

Finding the Fourth Proportional to 444,288,738.78, 612,823,239.78 and 285,719,339.58

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Solution

The fourth proportional to 444,288,738.78, 612,823,239.78 and 285,719,339.58 is: 394,102,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,288,738.78 : 612,823,239.78 = 285,719,339.58 : x
  2. Step 2: Convert to fraction form
    444,288,738.78/612,823,239.78 = 285,719,339.58/x
  3. Step 3: Cross multiply
    444,288,738.78x = 612,823,239.78 × 285,719,339.58
  4. Step 4: Simplify right side
    444,288,738.78x = 175,095,451,349,874,304
  5. Step 5: Solve for x
    x = 175,095,451,349,874,304/444,288,738.78
  6. Step 6: Final answer
    x = 394,102,834.64

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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.