Home / 1,504,419,610.78-2,256,626,409.04-399,135,256.52

Finding the Fourth Proportional to 1,504,419,610.78, 2,256,626,409.04 and 399,135,256.52

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Solution

The fourth proportional to 1,504,419,610.78, 2,256,626,409.04 and 399,135,256.52 is: 598,702,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,419,610.78 : 2,256,626,409.04 = 399,135,256.52 : x
  2. Step 2: Convert to fraction form
    1,504,419,610.78/2,256,626,409.04 = 399,135,256.52/x
  3. Step 3: Cross multiply
    1,504,419,610.78x = 2,256,626,409.04 × 399,135,256.52
  4. Step 4: Simplify right side
    1,504,419,610.78x = 900,699,160,641,986,816
  5. Step 5: Solve for x
    x = 900,699,160,641,986,816/1,504,419,610.78
  6. Step 6: Final answer
    x = 598,702,086.96

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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.