Home / 404,644,640.99-558,423,145.11-247,981,493.66

Finding the Fourth Proportional to 404,644,640.99, 558,423,145.11 and 247,981,493.66

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Solution

The fourth proportional to 404,644,640.99, 558,423,145.11 and 247,981,493.66 is: 342,222,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,644,640.99 : 558,423,145.11 = 247,981,493.66 : x
  2. Step 2: Convert to fraction form
    404,644,640.99/558,423,145.11 = 247,981,493.66/x
  3. Step 3: Cross multiply
    404,644,640.99x = 558,423,145.11 × 247,981,493.66
  4. Step 4: Simplify right side
    404,644,640.99x = 138,478,605,615,900,608
  5. Step 5: Solve for x
    x = 138,478,605,615,900,608/404,644,640.99
  6. Step 6: Final answer
    x = 342,222,759.40

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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.