Home / 792,593,874.40-1,188,890,811.60-274,852,242.40

Finding the Fourth Proportional to 792,593,874.40, 1,188,890,811.60 and 274,852,242.40

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Solution

The fourth proportional to 792,593,874.40, 1,188,890,811.60 and 274,852,242.40 is: 412,278,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,593,874.40 : 1,188,890,811.60 = 274,852,242.40 : x
  2. Step 2: Convert to fraction form
    792,593,874.40/1,188,890,811.60 = 274,852,242.40/x
  3. Step 3: Cross multiply
    792,593,874.40x = 1,188,890,811.60 × 274,852,242.40
  4. Step 4: Simplify right side
    792,593,874.40x = 326,769,305,537,015,872
  5. Step 5: Solve for x
    x = 326,769,305,537,015,872/792,593,874.40
  6. Step 6: Final answer
    x = 412,278,363.60

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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.