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Finding the Fourth Proportional to 491,786,351.88, 737,469,548.88 and 284,667,726.06

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Solution

The fourth proportional to 491,786,351.88, 737,469,548.88 and 284,667,726.06 is: 426,880,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,786,351.88 : 737,469,548.88 = 284,667,726.06 : x
  2. Step 2: Convert to fraction form
    491,786,351.88/737,469,548.88 = 284,667,726.06/x
  3. Step 3: Cross multiply
    491,786,351.88x = 737,469,548.88 × 284,667,726.06
  4. Step 4: Simplify right side
    491,786,351.88x = 209,933,779,518,163,616
  5. Step 5: Solve for x
    x = 209,933,779,518,163,616/491,786,351.88
  6. Step 6: Final answer
    x = 426,880,043.98

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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.