Home / 400,193,326.20-552,284,050.50-221,577,213.54

Finding the Fourth Proportional to 400,193,326.20, 552,284,050.50 and 221,577,213.54

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Solution

The fourth proportional to 400,193,326.20, 552,284,050.50 and 221,577,213.54 is: 305,786,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,193,326.20 : 552,284,050.50 = 221,577,213.54 : x
  2. Step 2: Convert to fraction form
    400,193,326.20/552,284,050.50 = 221,577,213.54/x
  3. Step 3: Cross multiply
    400,193,326.20x = 552,284,050.50 × 221,577,213.54
  4. Step 4: Simplify right side
    400,193,326.20x = 122,373,560,992,374,640
  5. Step 5: Solve for x
    x = 122,373,560,992,374,640/400,193,326.20
  6. Step 6: Final answer
    x = 305,786,111.31

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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.