Home / 400,692,171.54-552,955,250.13-222,087,578.43

Finding the Fourth Proportional to 400,692,171.54, 552,955,250.13 and 222,087,578.43

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Solution

The fourth proportional to 400,692,171.54, 552,955,250.13 and 222,087,578.43 is: 306,480,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,692,171.54 : 552,955,250.13 = 222,087,578.43 : x
  2. Step 2: Convert to fraction form
    400,692,171.54/552,955,250.13 = 222,087,578.43/x
  3. Step 3: Cross multiply
    400,692,171.54x = 552,955,250.13 × 222,087,578.43
  4. Step 4: Simplify right side
    400,692,171.54x = 122,804,492,481,526,640
  5. Step 5: Solve for x
    x = 122,804,492,481,526,640/400,692,171.54
  6. Step 6: Final answer
    x = 306,480,887.83

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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.