Home / 404,293,628.22-557,925,207.82-218,654,643.90

Finding the Fourth Proportional to 404,293,628.22, 557,925,207.82 and 218,654,643.90

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Solution

The fourth proportional to 404,293,628.22, 557,925,207.82 and 218,654,643.90 is: 301,743,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,293,628.22 : 557,925,207.82 = 218,654,643.90 : x
  2. Step 2: Convert to fraction form
    404,293,628.22/557,925,207.82 = 218,654,643.90/x
  3. Step 3: Cross multiply
    404,293,628.22x = 557,925,207.82 × 218,654,643.90
  4. Step 4: Simplify right side
    404,293,628.22x = 121,992,937,638,715,616
  5. Step 5: Solve for x
    x = 121,992,937,638,715,616/404,293,628.22
  6. Step 6: Final answer
    x = 301,743,409.06

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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.