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Finding the Fourth Proportional to 335,503,993.20, 502,956,808.20 and 130,984,501.20

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Solution

The fourth proportional to 335,503,993.20, 502,956,808.20 and 130,984,501.20 is: 196,359,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,503,993.20 : 502,956,808.20 = 130,984,501.20 : x
  2. Step 2: Convert to fraction form
    335,503,993.20/502,956,808.20 = 130,984,501.20/x
  3. Step 3: Cross multiply
    335,503,993.20x = 502,956,808.20 × 130,984,501.20
  4. Step 4: Simplify right side
    335,503,993.20x = 65,879,546,647,221,072
  5. Step 5: Solve for x
    x = 65,879,546,647,221,072/335,503,993.20
  6. Step 6: Final answer
    x = 196,359,947.97

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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.