Home / 792,614,542.40-1,188,921,813.60-274,872,910.40

Finding the Fourth Proportional to 792,614,542.40, 1,188,921,813.60 and 274,872,910.40

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Solution

The fourth proportional to 792,614,542.40, 1,188,921,813.60 and 274,872,910.40 is: 412,309,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,614,542.40 : 1,188,921,813.60 = 274,872,910.40 : x
  2. Step 2: Convert to fraction form
    792,614,542.40/1,188,921,813.60 = 274,872,910.40/x
  3. Step 3: Cross multiply
    792,614,542.40x = 1,188,921,813.60 × 274,872,910.40
  4. Step 4: Simplify right side
    792,614,542.40x = 326,802,399,142,278,272
  5. Step 5: Solve for x
    x = 326,802,399,142,278,272/792,614,542.40
  6. Step 6: Final answer
    x = 412,309,365.60

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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.