Home / 313,374,683.20-470,062,024.80-281,629,940.80

Finding the Fourth Proportional to 313,374,683.20, 470,062,024.80 and 281,629,940.80

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Solution

The fourth proportional to 313,374,683.20, 470,062,024.80 and 281,629,940.80 is: 422,444,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,374,683.20 : 470,062,024.80 = 281,629,940.80 : x
  2. Step 2: Convert to fraction form
    313,374,683.20/470,062,024.80 = 281,629,940.80/x
  3. Step 3: Cross multiply
    313,374,683.20x = 470,062,024.80 × 281,629,940.80
  4. Step 4: Simplify right side
    313,374,683.20x = 132,383,540,216,752,144
  5. Step 5: Solve for x
    x = 132,383,540,216,752,144/313,374,683.20
  6. Step 6: Final answer
    x = 422,444,911.20

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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.