Home / 404,293,627.71-557,925,207.12-218,654,643.38

Finding the Fourth Proportional to 404,293,627.71, 557,925,207.12 and 218,654,643.38

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Solution

The fourth proportional to 404,293,627.71, 557,925,207.12 and 218,654,643.38 is: 301,743,408.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,293,627.71 : 557,925,207.12 = 218,654,643.38 : x
  2. Step 2: Convert to fraction form
    404,293,627.71/557,925,207.12 = 218,654,643.38/x
  3. Step 3: Cross multiply
    404,293,627.71x = 557,925,207.12 × 218,654,643.38
  4. Step 4: Simplify right side
    404,293,627.71x = 121,992,937,192,746,608
  5. Step 5: Solve for x
    x = 121,992,937,192,746,608/404,293,627.71
  6. Step 6: Final answer
    x = 301,743,408.33

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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.