Home / 404,293,632.22-557,925,213.34-218,654,647.88

Finding the Fourth Proportional to 404,293,632.22, 557,925,213.34 and 218,654,647.88

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Solution

The fourth proportional to 404,293,632.22, 557,925,213.34 and 218,654,647.88 is: 301,743,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,293,632.22 : 557,925,213.34 = 218,654,647.88 : x
  2. Step 2: Convert to fraction form
    404,293,632.22/557,925,213.34 = 218,654,647.88/x
  3. Step 3: Cross multiply
    404,293,632.22x = 557,925,213.34 × 218,654,647.88
  4. Step 4: Simplify right side
    404,293,632.22x = 121,992,941,066,231,584
  5. Step 5: Solve for x
    x = 121,992,941,066,231,584/404,293,632.22
  6. Step 6: Final answer
    x = 301,743,414.55

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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.