Home / 627,660,707.40-941,491,061.10-196,838,512.20

Finding the Fourth Proportional to 627,660,707.40, 941,491,061.10 and 196,838,512.20

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Solution

The fourth proportional to 627,660,707.40, 941,491,061.10 and 196,838,512.20 is: 295,257,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,660,707.40 : 941,491,061.10 = 196,838,512.20 : x
  2. Step 2: Convert to fraction form
    627,660,707.40/941,491,061.10 = 196,838,512.20/x
  3. Step 3: Cross multiply
    627,660,707.40x = 941,491,061.10 × 196,838,512.20
  4. Step 4: Simplify right side
    627,660,707.40x = 185,321,699,716,523,296
  5. Step 5: Solve for x
    x = 185,321,699,716,523,296/627,660,707.40
  6. Step 6: Final answer
    x = 295,257,768.30

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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.