Home / 404,293,628.71-557,925,208.50-218,654,644.38

Finding the Fourth Proportional to 404,293,628.71, 557,925,208.50 and 218,654,644.38

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Solution

The fourth proportional to 404,293,628.71, 557,925,208.50 and 218,654,644.38 is: 301,743,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,293,628.71 : 557,925,208.50 = 218,654,644.38 : x
  2. Step 2: Convert to fraction form
    404,293,628.71/557,925,208.50 = 218,654,644.38/x
  3. Step 3: Cross multiply
    404,293,628.71x = 557,925,208.50 × 218,654,644.38
  4. Step 4: Simplify right side
    404,293,628.71x = 121,992,938,055,204,848
  5. Step 5: Solve for x
    x = 121,992,938,055,204,848/404,293,628.71
  6. Step 6: Final answer
    x = 301,743,409.72

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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.