Home / 404,040,407.75-557,575,519.27-218,401,428.90

Finding the Fourth Proportional to 404,040,407.75, 557,575,519.27 and 218,401,428.90

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Solution

The fourth proportional to 404,040,407.75, 557,575,519.27 and 218,401,428.90 is: 301,393,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,040,407.75 : 557,575,519.27 = 218,401,428.90 : x
  2. Step 2: Convert to fraction form
    404,040,407.75/557,575,519.27 = 218,401,428.90/x
  3. Step 3: Cross multiply
    404,040,407.75x = 557,575,519.27 × 218,401,428.90
  4. Step 4: Simplify right side
    404,040,407.75x = 121,775,290,128,227,488
  5. Step 5: Solve for x
    x = 121,775,290,128,227,488/404,040,407.75
  6. Step 6: Final answer
    x = 301,393,840.30

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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.