Home / 404,644,640.24-558,423,144.08-247,981,492.91

Finding the Fourth Proportional to 404,644,640.24, 558,423,144.08 and 247,981,492.91

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Solution

The fourth proportional to 404,644,640.24, 558,423,144.08 and 247,981,492.91 is: 342,222,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,644,640.24 : 558,423,144.08 = 247,981,492.91 : x
  2. Step 2: Convert to fraction form
    404,644,640.24/558,423,144.08 = 247,981,492.91/x
  3. Step 3: Cross multiply
    404,644,640.24x = 558,423,144.08 × 247,981,492.91
  4. Step 4: Simplify right side
    404,644,640.24x = 138,478,604,940,422,416
  5. Step 5: Solve for x
    x = 138,478,604,940,422,416/404,644,640.24
  6. Step 6: Final answer
    x = 342,222,758.37

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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.