Home / 304,512,126.88-420,227,160.24-165,282,917.44

Finding the Fourth Proportional to 304,512,126.88, 420,227,160.24 and 165,282,917.44

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Solution

The fourth proportional to 304,512,126.88, 420,227,160.24 and 165,282,917.44 is: 228,090,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,512,126.88 : 420,227,160.24 = 165,282,917.44 : x
  2. Step 2: Convert to fraction form
    304,512,126.88/420,227,160.24 = 165,282,917.44/x
  3. Step 3: Cross multiply
    304,512,126.88x = 420,227,160.24 × 165,282,917.44
  4. Step 4: Simplify right side
    304,512,126.88x = 69,456,371,031,993,568
  5. Step 5: Solve for x
    x = 69,456,371,031,993,568/304,512,126.88
  6. Step 6: Final answer
    x = 228,090,656.83

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1.5x scale

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.