Home / 298,425,881.20-447,638,821.80-177,194,930.80

Finding the Fourth Proportional to 298,425,881.20, 447,638,821.80 and 177,194,930.80

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Solution

The fourth proportional to 298,425,881.20, 447,638,821.80 and 177,194,930.80 is: 265,792,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,425,881.20 : 447,638,821.80 = 177,194,930.80 : x
  2. Step 2: Convert to fraction form
    298,425,881.20/447,638,821.80 = 177,194,930.80/x
  3. Step 3: Cross multiply
    298,425,881.20x = 447,638,821.80 × 177,194,930.80
  4. Step 4: Simplify right side
    298,425,881.20x = 79,319,330,052,244,544
  5. Step 5: Solve for x
    x = 79,319,330,052,244,544/298,425,881.20
  6. Step 6: Final answer
    x = 265,792,396.20

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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.