Home / 404,640,053.56-558,372,104.67-228,445,464.79

Finding the Fourth Proportional to 404,640,053.56, 558,372,104.67 and 228,445,464.79

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Solution

The fourth proportional to 404,640,053.56, 558,372,104.67 and 228,445,464.79 is: 315,237,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,640,053.56 : 558,372,104.67 = 228,445,464.79 : x
  2. Step 2: Convert to fraction form
    404,640,053.56/558,372,104.67 = 228,445,464.79/x
  3. Step 3: Cross multiply
    404,640,053.56x = 558,372,104.67 × 228,445,464.79
  4. Step 4: Simplify right side
    404,640,053.56x = 127,557,574,977,108,672
  5. Step 5: Solve for x
    x = 127,557,574,977,108,672/404,640,053.56
  6. Step 6: Final answer
    x = 315,237,144.36

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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.