Home / 400,692,173.54-552,955,252.89-222,087,580.43

Finding the Fourth Proportional to 400,692,173.54, 552,955,252.89 and 222,087,580.43

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Solution

The fourth proportional to 400,692,173.54, 552,955,252.89 and 222,087,580.43 is: 306,480,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,692,173.54 : 552,955,252.89 = 222,087,580.43 : x
  2. Step 2: Convert to fraction form
    400,692,173.54/552,955,252.89 = 222,087,580.43/x
  3. Step 3: Cross multiply
    400,692,173.54x = 552,955,252.89 × 222,087,580.43
  4. Step 4: Simplify right side
    400,692,173.54x = 122,804,494,200,398,864
  5. Step 5: Solve for x
    x = 122,804,494,200,398,864/400,692,173.54
  6. Step 6: Final answer
    x = 306,480,890.59

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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.