Home / 878,622,537.22-1,212,517,620.74-482,142,058.90

Finding the Fourth Proportional to 878,622,537.22, 1,212,517,620.74 and 482,142,058.90

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Solution

The fourth proportional to 878,622,537.22, 1,212,517,620.74 and 482,142,058.90 is: 665,366,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,622,537.22 : 1,212,517,620.74 = 482,142,058.90 : x
  2. Step 2: Convert to fraction form
    878,622,537.22/1,212,517,620.74 = 482,142,058.90/x
  3. Step 3: Cross multiply
    878,622,537.22x = 1,212,517,620.74 × 482,142,058.90
  4. Step 4: Simplify right side
    878,622,537.22x = 584,605,742,116,112,896
  5. Step 5: Solve for x
    x = 584,605,742,116,112,896/878,622,537.22
  6. Step 6: Final answer
    x = 665,366,203.75

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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.