Home / 381,603,791.52-526,617,961.92-214,376,580.45

Finding the Fourth Proportional to 381,603,791.52, 526,617,961.92 and 214,376,580.45

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Solution

The fourth proportional to 381,603,791.52, 526,617,961.92 and 214,376,580.45 is: 295,842,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,603,791.52 : 526,617,961.92 = 214,376,580.45 : x
  2. Step 2: Convert to fraction form
    381,603,791.52/526,617,961.92 = 214,376,580.45/x
  3. Step 3: Cross multiply
    381,603,791.52x = 526,617,961.92 × 214,376,580.45
  4. Step 4: Simplify right side
    381,603,791.52x = 112,894,557,879,957,920
  5. Step 5: Solve for x
    x = 112,894,557,879,957,920/381,603,791.52
  6. Step 6: Final answer
    x = 295,842,338.02

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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.