Home / 276,454,408.78-381,504,504.92-151,006,556.65

Finding the Fourth Proportional to 276,454,408.78, 381,504,504.92 and 151,006,556.65

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Solution

The fourth proportional to 276,454,408.78, 381,504,504.92 and 151,006,556.65 is: 208,387,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,454,408.78 : 381,504,504.92 = 151,006,556.65 : x
  2. Step 2: Convert to fraction form
    276,454,408.78/381,504,504.92 = 151,006,556.65/x
  3. Step 3: Cross multiply
    276,454,408.78x = 381,504,504.92 × 151,006,556.65
  4. Step 4: Simplify right side
    276,454,408.78x = 57,609,681,633,289,664
  5. Step 5: Solve for x
    x = 57,609,681,633,289,664/276,454,408.78
  6. Step 6: Final answer
    x = 208,387,639.35

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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.