Home / 484,657,613,961.34-726,986,420,992.05-161,960,427,514.78

Finding the Fourth Proportional to 484,657,613,961.34, 726,986,420,992.05 and 161,960,427,514.78

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Solution

The fourth proportional to 484,657,613,961.34, 726,986,420,992.05 and 161,960,427,514.78 is: 242,940,641,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,657,613,961.34 : 726,986,420,992.05 = 161,960,427,514.78 : x
  2. Step 2: Convert to fraction form
    484,657,613,961.34/726,986,420,992.05 = 161,960,427,514.78/x
  3. Step 3: Cross multiply
    484,657,613,961.34x = 726,986,420,992.05 × 161,960,427,514.78
  4. Step 4: Simplify right side
    484,657,613,961.34x = 117,743,031,541,312,253,853,696
  5. Step 5: Solve for x
    x = 117,743,031,541,312,253,853,696/484,657,613,961.34
  6. Step 6: Final answer
    x = 242,940,641,288.89

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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.