Home / 284,384,616-392,339,660.74-165,287,419.44

Finding the Fourth Proportional to 284,384,616, 392,339,660.74 and 165,287,419.44

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Solution

The fourth proportional to 284,384,616, 392,339,660.74 and 165,287,419.44 is: 228,032,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,384,616 : 392,339,660.74 = 165,287,419.44 : x
  2. Step 2: Convert to fraction form
    284,384,616/392,339,660.74 = 165,287,419.44/x
  3. Step 3: Cross multiply
    284,384,616x = 392,339,660.74 × 165,287,419.44
  4. Step 4: Simplify right side
    284,384,616x = 64,848,810,067,679,680
  5. Step 5: Solve for x
    x = 64,848,810,067,679,680/284,384,616
  6. Step 6: Final answer
    x = 228,032,060.88

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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.