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Finding the Fourth Proportional to 634,901,674.48, 952,664,511.87 and 285,394,684.57

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Solution

The fourth proportional to 634,901,674.48, 952,664,511.87 and 285,394,684.57 is: 428,232,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,901,674.48 : 952,664,511.87 = 285,394,684.57 : x
  2. Step 2: Convert to fraction form
    634,901,674.48/952,664,511.87 = 285,394,684.57/x
  3. Step 3: Cross multiply
    634,901,674.48x = 952,664,511.87 × 285,394,684.57
  4. Step 4: Simplify right side
    634,901,674.48x = 271,885,387,863,790,016
  5. Step 5: Solve for x
    x = 271,885,387,863,790,016/634,901,674.48
  6. Step 6: Final answer
    x = 428,232,274.06

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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.