Home / 263,040,983.20-394,884,956.40-165,996,503.20

Finding the Fourth Proportional to 263,040,983.20, 394,884,956.40 and 165,996,503.20

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Solution

The fourth proportional to 263,040,983.20, 394,884,956.40 and 165,996,503.20 is: 249,198,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,040,983.20 : 394,884,956.40 = 165,996,503.20 : x
  2. Step 2: Convert to fraction form
    263,040,983.20/394,884,956.40 = 165,996,503.20/x
  3. Step 3: Cross multiply
    263,040,983.20x = 394,884,956.40 × 165,996,503.20
  4. Step 4: Simplify right side
    263,040,983.20x = 65,549,521,928,684,448
  5. Step 5: Solve for x
    x = 65,549,521,928,684,448/263,040,983.20
  6. Step 6: Final answer
    x = 249,198,893.39

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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.