Home / 392,839,977.02-542,132,255.64-214,233,610.37

Finding the Fourth Proportional to 392,839,977.02, 542,132,255.64 and 214,233,610.37

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Solution

The fourth proportional to 392,839,977.02, 542,132,255.64 and 214,233,610.37 is: 295,649,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,839,977.02 : 542,132,255.64 = 214,233,610.37 : x
  2. Step 2: Convert to fraction form
    392,839,977.02/542,132,255.64 = 214,233,610.37/x
  3. Step 3: Cross multiply
    392,839,977.02x = 542,132,255.64 × 214,233,610.37
  4. Step 4: Simplify right side
    392,839,977.02x = 116,142,950,422,808,512
  5. Step 5: Solve for x
    x = 116,142,950,422,808,512/392,839,977.02
  6. Step 6: Final answer
    x = 295,649,519.44

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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.