Home / 355,544,058.62-490,647,186.02-196,774,491.38

Finding the Fourth Proportional to 355,544,058.62, 490,647,186.02 and 196,774,491.38

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Solution

The fourth proportional to 355,544,058.62, 490,647,186.02 and 196,774,491.38 is: 271,546,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,544,058.62 : 490,647,186.02 = 196,774,491.38 : x
  2. Step 2: Convert to fraction form
    355,544,058.62/490,647,186.02 = 196,774,491.38/x
  3. Step 3: Cross multiply
    355,544,058.62x = 490,647,186.02 × 196,774,491.38
  4. Step 4: Simplify right side
    355,544,058.62x = 96,546,850,474,152,448
  5. Step 5: Solve for x
    x = 96,546,850,474,152,448/355,544,058.62
  6. Step 6: Final answer
    x = 271,546,797.46

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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.