Home / 571,970,847.78-789,296,525.82-324,446,887.62

Finding the Fourth Proportional to 571,970,847.78, 789,296,525.82 and 324,446,887.62

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Solution

The fourth proportional to 571,970,847.78, 789,296,525.82 and 324,446,887.62 is: 447,723,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,970,847.78 : 789,296,525.82 = 324,446,887.62 : x
  2. Step 2: Convert to fraction form
    571,970,847.78/789,296,525.82 = 324,446,887.62/x
  3. Step 3: Cross multiply
    571,970,847.78x = 789,296,525.82 × 324,446,887.62
  4. Step 4: Simplify right side
    571,970,847.78x = 256,084,801,211,577,984
  5. Step 5: Solve for x
    x = 256,084,801,211,577,984/571,970,847.78
  6. Step 6: Final answer
    x = 447,723,519.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.