Home / 313,404,832.80-470,107,249.20-263,240,301.60

Finding the Fourth Proportional to 313,404,832.80, 470,107,249.20 and 263,240,301.60

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Solution

The fourth proportional to 313,404,832.80, 470,107,249.20 and 263,240,301.60 is: 394,860,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,404,832.80 : 470,107,249.20 = 263,240,301.60 : x
  2. Step 2: Convert to fraction form
    313,404,832.80/470,107,249.20 = 263,240,301.60/x
  3. Step 3: Cross multiply
    313,404,832.80x = 470,107,249.20 × 263,240,301.60
  4. Step 4: Simplify right side
    313,404,832.80x = 123,751,174,063,754,352
  5. Step 5: Solve for x
    x = 123,751,174,063,754,352/313,404,832.80
  6. Step 6: Final answer
    x = 394,860,452.40

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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.