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Finding the Fourth Proportional to 335,957,809.20, 503,936,713.80 and 93,620,713.20

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Solution

The fourth proportional to 335,957,809.20, 503,936,713.80 and 93,620,713.20 is: 140,431,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,957,809.20 : 503,936,713.80 = 93,620,713.20 : x
  2. Step 2: Convert to fraction form
    335,957,809.20/503,936,713.80 = 93,620,713.20/x
  3. Step 3: Cross multiply
    335,957,809.20x = 503,936,713.80 × 93,620,713.20
  4. Step 4: Simplify right side
    335,957,809.20x = 47,178,914,553,620,288
  5. Step 5: Solve for x
    x = 47,178,914,553,620,288/335,957,809.20
  6. Step 6: Final answer
    x = 140,431,069.80

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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.