Home / 378,529,204.80-567,793,807.20-206,342,320.80

Finding the Fourth Proportional to 378,529,204.80, 567,793,807.20 and 206,342,320.80

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Solution

The fourth proportional to 378,529,204.80, 567,793,807.20 and 206,342,320.80 is: 309,513,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,529,204.80 : 567,793,807.20 = 206,342,320.80 : x
  2. Step 2: Convert to fraction form
    378,529,204.80/567,793,807.20 = 206,342,320.80/x
  3. Step 3: Cross multiply
    378,529,204.80x = 567,793,807.20 × 206,342,320.80
  4. Step 4: Simplify right side
    378,529,204.80x = 117,159,891,913,515,760
  5. Step 5: Solve for x
    x = 117,159,891,913,515,760/378,529,204.80
  6. Step 6: Final answer
    x = 309,513,481.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.