Home / 278,273,758.52-415,536,721.76-227,256,977.72

Finding the Fourth Proportional to 278,273,758.52, 415,536,721.76 and 227,256,977.72

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Solution

The fourth proportional to 278,273,758.52, 415,536,721.76 and 227,256,977.72 is: 339,355,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,273,758.52 : 415,536,721.76 = 227,256,977.72 : x
  2. Step 2: Convert to fraction form
    278,273,758.52/415,536,721.76 = 227,256,977.72/x
  3. Step 3: Cross multiply
    278,273,758.52x = 415,536,721.76 × 227,256,977.72
  4. Step 4: Simplify right side
    278,273,758.52x = 94,433,619,518,854,160
  5. Step 5: Solve for x
    x = 94,433,619,518,854,160/278,273,758.52
  6. Step 6: Final answer
    x = 339,355,101.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.