Home / 438,471,637.44-605,013,954.10-250,213,977.60

Finding the Fourth Proportional to 438,471,637.44, 605,013,954.10 and 250,213,977.60

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Solution

The fourth proportional to 438,471,637.44, 605,013,954.10 and 250,213,977.60 is: 345,251,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,471,637.44 : 605,013,954.10 = 250,213,977.60 : x
  2. Step 2: Convert to fraction form
    438,471,637.44/605,013,954.10 = 250,213,977.60/x
  3. Step 3: Cross multiply
    438,471,637.44x = 605,013,954.10 × 250,213,977.60
  4. Step 4: Simplify right side
    438,471,637.44x = 151,382,947,958,864,832
  5. Step 5: Solve for x
    x = 151,382,947,958,864,832/438,471,637.44
  6. Step 6: Final answer
    x = 345,251,402.90

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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.