Home / 337,145,344.20-505,718,016.30-220,747,955.40

Finding the Fourth Proportional to 337,145,344.20, 505,718,016.30 and 220,747,955.40

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Solution

The fourth proportional to 337,145,344.20, 505,718,016.30 and 220,747,955.40 is: 331,121,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,145,344.20 : 505,718,016.30 = 220,747,955.40 : x
  2. Step 2: Convert to fraction form
    337,145,344.20/505,718,016.30 = 220,747,955.40/x
  3. Step 3: Cross multiply
    337,145,344.20x = 505,718,016.30 × 220,747,955.40
  4. Step 4: Simplify right side
    337,145,344.20x = 111,636,218,107,168,880
  5. Step 5: Solve for x
    x = 111,636,218,107,168,880/337,145,344.20
  6. Step 6: Final answer
    x = 331,121,933.10

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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.