Home / 8,517,456,871.17-12,764,765,042.21-6,628,933,427.48

Finding the Fourth Proportional to 8,517,456,871.17, 12,764,765,042.21 and 6,628,933,427.48

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Solution

The fourth proportional to 8,517,456,871.17, 12,764,765,042.21 and 6,628,933,427.48 is: 9,934,512,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,456,871.17 : 12,764,765,042.21 = 6,628,933,427.48 : x
  2. Step 2: Convert to fraction form
    8,517,456,871.17/12,764,765,042.21 = 6,628,933,427.48/x
  3. Step 3: Cross multiply
    8,517,456,871.17x = 12,764,765,042.21 × 6,628,933,427.48
  4. Step 4: Simplify right side
    8,517,456,871.17x = 84,616,777,682,137,055,232
  5. Step 5: Solve for x
    x = 84,616,777,682,137,055,232/8,517,456,871.17
  6. Step 6: Final answer
    x = 9,934,512,021.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.