Home / 400,148,670.56-552,193,305.60-221,540,519.36

Finding the Fourth Proportional to 400,148,670.56, 552,193,305.60 and 221,540,519.36

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Solution

The fourth proportional to 400,148,670.56, 552,193,305.60 and 221,540,519.36 is: 305,719,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,148,670.56 : 552,193,305.60 = 221,540,519.36 : x
  2. Step 2: Convert to fraction form
    400,148,670.56/552,193,305.60 = 221,540,519.36/x
  3. Step 3: Cross multiply
    400,148,670.56x = 552,193,305.60 × 221,540,519.36
  4. Step 4: Simplify right side
    400,148,670.56x = 122,333,191,709,739,216
  5. Step 5: Solve for x
    x = 122,333,191,709,739,216/400,148,670.56
  6. Step 6: Final answer
    x = 305,719,350.61

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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.