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Finding the Fourth Proportional to 524,394,003.60, 786,591,005.40 and 330,524,326.80

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Solution

The fourth proportional to 524,394,003.60, 786,591,005.40 and 330,524,326.80 is: 495,786,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,394,003.60 : 786,591,005.40 = 330,524,326.80 : x
  2. Step 2: Convert to fraction form
    524,394,003.60/786,591,005.40 = 330,524,326.80/x
  3. Step 3: Cross multiply
    524,394,003.60x = 786,591,005.40 × 330,524,326.80
  4. Step 4: Simplify right side
    524,394,003.60x = 259,987,462,526,770,176
  5. Step 5: Solve for x
    x = 259,987,462,526,770,176/524,394,003.60
  6. Step 6: Final answer
    x = 495,786,490.20

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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.