Home / 404,644,642.49-558,423,147.18-247,981,495.16

Finding the Fourth Proportional to 404,644,642.49, 558,423,147.18 and 247,981,495.16

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Solution

The fourth proportional to 404,644,642.49, 558,423,147.18 and 247,981,495.16 is: 342,222,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,644,642.49 : 558,423,147.18 = 247,981,495.16 : x
  2. Step 2: Convert to fraction form
    404,644,642.49/558,423,147.18 = 247,981,495.16/x
  3. Step 3: Cross multiply
    404,644,642.49x = 558,423,147.18 × 247,981,495.16
  4. Step 4: Simplify right side
    404,644,642.49x = 138,478,606,966,857,008
  5. Step 5: Solve for x
    x = 138,478,606,966,857,008/404,644,642.49
  6. Step 6: Final answer
    x = 342,222,761.47

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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.