Home / 301,504,643.70-452,256,965.55-198,192,513.30

Finding the Fourth Proportional to 301,504,643.70, 452,256,965.55 and 198,192,513.30

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Solution

The fourth proportional to 301,504,643.70, 452,256,965.55 and 198,192,513.30 is: 297,288,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,504,643.70 : 452,256,965.55 = 198,192,513.30 : x
  2. Step 2: Convert to fraction form
    301,504,643.70/452,256,965.55 = 198,192,513.30/x
  3. Step 3: Cross multiply
    301,504,643.70x = 452,256,965.55 × 198,192,513.30
  4. Step 4: Simplify right side
    301,504,643.70x = 89,633,944,659,786,032
  5. Step 5: Solve for x
    x = 89,633,944,659,786,032/301,504,643.70
  6. Step 6: Final answer
    x = 297,288,769.95

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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.