Home / 404,042,762.94-557,579,178-218,403,778.02

Finding the Fourth Proportional to 404,042,762.94, 557,579,178 and 218,403,778.02

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Solution

The fourth proportional to 404,042,762.94, 557,579,178 and 218,403,778.02 is: 301,397,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,042,762.94 : 557,579,178 = 218,403,778.02 : x
  2. Step 2: Convert to fraction form
    404,042,762.94/557,579,178 = 218,403,778.02/x
  3. Step 3: Cross multiply
    404,042,762.94x = 557,579,178 × 218,403,778.02
  4. Step 4: Simplify right side
    404,042,762.94x = 121,777,399,020,486,080
  5. Step 5: Solve for x
    x = 121,777,399,020,486,080/404,042,762.94
  6. Step 6: Final answer
    x = 301,397,302.93

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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.