Home / 3,856,707,976.49-5,321,831,461.54-2,162,814,040.22

Finding the Fourth Proportional to 3,856,707,976.49, 5,321,831,461.54 and 2,162,814,040.22

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Solution

The fourth proportional to 3,856,707,976.49, 5,321,831,461.54 and 2,162,814,040.22 is: 2,984,444,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,707,976.49 : 5,321,831,461.54 = 2,162,814,040.22 : x
  2. Step 2: Convert to fraction form
    3,856,707,976.49/5,321,831,461.54 = 2,162,814,040.22/x
  3. Step 3: Cross multiply
    3,856,707,976.49x = 5,321,831,461.54 × 2,162,814,040.22
  4. Step 4: Simplify right side
    3,856,707,976.49x = 11,510,131,804,726,704,128
  5. Step 5: Solve for x
    x = 11,510,131,804,726,704,128/3,856,707,976.49
  6. Step 6: Final answer
    x = 2,984,444,732.37

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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.