Home / 298,416,321.20-447,624,481.80-177,185,370.80

Finding the Fourth Proportional to 298,416,321.20, 447,624,481.80 and 177,185,370.80

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Solution

The fourth proportional to 298,416,321.20, 447,624,481.80 and 177,185,370.80 is: 265,778,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,416,321.20 : 447,624,481.80 = 177,185,370.80 : x
  2. Step 2: Convert to fraction form
    298,416,321.20/447,624,481.80 = 177,185,370.80/x
  3. Step 3: Cross multiply
    298,416,321.20x = 447,624,481.80 × 177,185,370.80
  4. Step 4: Simplify right side
    298,416,321.20x = 79,312,509,786,890,864
  5. Step 5: Solve for x
    x = 79,312,509,786,890,864/298,416,321.20
  6. Step 6: Final answer
    x = 265,778,056.20

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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.