Home / 284,384,615-392,339,659.36-165,287,418.44

Finding the Fourth Proportional to 284,384,615, 392,339,659.36 and 165,287,418.44

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Solution

The fourth proportional to 284,384,615, 392,339,659.36 and 165,287,418.44 is: 228,032,059.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,384,615 : 392,339,659.36 = 165,287,418.44 : x
  2. Step 2: Convert to fraction form
    284,384,615/392,339,659.36 = 165,287,418.44/x
  3. Step 3: Cross multiply
    284,384,615x = 392,339,659.36 × 165,287,418.44
  4. Step 4: Simplify right side
    284,384,615x = 64,848,809,447,243,384
  5. Step 5: Solve for x
    x = 64,848,809,447,243,384/284,384,615
  6. Step 6: Final answer
    x = 228,032,059.50

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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.