Home / 404,042,762.44-557,579,177.31-218,403,777.52

Finding the Fourth Proportional to 404,042,762.44, 557,579,177.31 and 218,403,777.52

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Solution

The fourth proportional to 404,042,762.44, 557,579,177.31 and 218,403,777.52 is: 301,397,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,042,762.44 : 557,579,177.31 = 218,403,777.52 : x
  2. Step 2: Convert to fraction form
    404,042,762.44/557,579,177.31 = 218,403,777.52/x
  3. Step 3: Cross multiply
    404,042,762.44x = 557,579,177.31 × 218,403,777.52
  4. Step 4: Simplify right side
    404,042,762.44x = 121,777,398,590,997,872
  5. Step 5: Solve for x
    x = 121,777,398,590,997,872/404,042,762.44
  6. Step 6: Final answer
    x = 301,397,302.24

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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.