Home / 313,404,828.80-470,107,243.20-263,240,297.60

Finding the Fourth Proportional to 313,404,828.80, 470,107,243.20 and 263,240,297.60

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Solution

The fourth proportional to 313,404,828.80, 470,107,243.20 and 263,240,297.60 is: 394,860,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,404,828.80 : 470,107,243.20 = 263,240,297.60 : x
  2. Step 2: Convert to fraction form
    313,404,828.80/470,107,243.20 = 263,240,297.60/x
  3. Step 3: Cross multiply
    313,404,828.80x = 470,107,243.20 × 263,240,297.60
  4. Step 4: Simplify right side
    313,404,828.80x = 123,751,170,603,883,568
  5. Step 5: Solve for x
    x = 123,751,170,603,883,568/313,404,828.80
  6. Step 6: Final answer
    x = 394,860,446.40

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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.