Home / 400,846,414.30-601,122,141.09-138,464,192.41

Finding the Fourth Proportional to 400,846,414.30, 601,122,141.09 and 138,464,192.41

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Solution

The fourth proportional to 400,846,414.30, 601,122,141.09 and 138,464,192.41 is: 207,645,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,846,414.30 : 601,122,141.09 = 138,464,192.41 : x
  2. Step 2: Convert to fraction form
    400,846,414.30/601,122,141.09 = 138,464,192.41/x
  3. Step 3: Cross multiply
    400,846,414.30x = 601,122,141.09 × 138,464,192.41
  4. Step 4: Simplify right side
    400,846,414.30x = 83,233,891,805,796,928
  5. Step 5: Solve for x
    x = 83,233,891,805,796,928/400,846,414.30
  6. Step 6: Final answer
    x = 207,645,344.54

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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.