Home / 400,676,241.90-552,933,266.25-222,071,661.27

Finding the Fourth Proportional to 400,676,241.90, 552,933,266.25 and 222,071,661.27

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Solution

The fourth proportional to 400,676,241.90, 552,933,266.25 and 222,071,661.27 is: 306,458,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,676,241.90 : 552,933,266.25 = 222,071,661.27 : x
  2. Step 2: Convert to fraction form
    400,676,241.90/552,933,266.25 = 222,071,661.27/x
  3. Step 3: Cross multiply
    400,676,241.90x = 552,933,266.25 × 222,071,661.27
  4. Step 4: Simplify right side
    400,676,241.90x = 122,790,809,007,584,736
  5. Step 5: Solve for x
    x = 122,790,809,007,584,736/400,676,241.90
  6. Step 6: Final answer
    x = 306,458,921.61

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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.