Home / 878,622,536.22-1,212,517,619.36-482,142,057.90

Finding the Fourth Proportional to 878,622,536.22, 1,212,517,619.36 and 482,142,057.90

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Solution

The fourth proportional to 878,622,536.22, 1,212,517,619.36 and 482,142,057.90 is: 665,366,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,622,536.22 : 1,212,517,619.36 = 482,142,057.90 : x
  2. Step 2: Convert to fraction form
    878,622,536.22/1,212,517,619.36 = 482,142,057.90/x
  3. Step 3: Cross multiply
    878,622,536.22x = 1,212,517,619.36 × 482,142,057.90
  4. Step 4: Simplify right side
    878,622,536.22x = 584,605,740,229,766,016
  5. Step 5: Solve for x
    x = 584,605,740,229,766,016/878,622,536.22
  6. Step 6: Final answer
    x = 665,366,202.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.