Home / 320,546,856.60-480,903,183.54-187,711,894.80

Finding the Fourth Proportional to 320,546,856.60, 480,903,183.54 and 187,711,894.80

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Solution

The fourth proportional to 320,546,856.60, 480,903,183.54 and 187,711,894.80 is: 281,616,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,546,856.60 : 480,903,183.54 = 187,711,894.80 : x
  2. Step 2: Convert to fraction form
    320,546,856.60/480,903,183.54 = 187,711,894.80/x
  3. Step 3: Cross multiply
    320,546,856.60x = 480,903,183.54 × 187,711,894.80
  4. Step 4: Simplify right side
    320,546,856.60x = 90,271,247,797,645,584
  5. Step 5: Solve for x
    x = 90,271,247,797,645,584/320,546,856.60
  6. Step 6: Final answer
    x = 281,616,387.55

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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.