Home / 311,380,276.40-467,070,414.60-196,718,490.80

Finding the Fourth Proportional to 311,380,276.40, 467,070,414.60 and 196,718,490.80

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Solution

The fourth proportional to 311,380,276.40, 467,070,414.60 and 196,718,490.80 is: 295,077,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,380,276.40 : 467,070,414.60 = 196,718,490.80 : x
  2. Step 2: Convert to fraction form
    311,380,276.40/467,070,414.60 = 196,718,490.80/x
  3. Step 3: Cross multiply
    311,380,276.40x = 467,070,414.60 × 196,718,490.80
  4. Step 4: Simplify right side
    311,380,276.40x = 91,881,387,057,442,288
  5. Step 5: Solve for x
    x = 91,881,387,057,442,288/311,380,276.40
  6. Step 6: Final answer
    x = 295,077,736.20

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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.