Home / 1,504,419,607.78-2,256,626,404.54-399,135,253.52

Finding the Fourth Proportional to 1,504,419,607.78, 2,256,626,404.54 and 399,135,253.52

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Solution

The fourth proportional to 1,504,419,607.78, 2,256,626,404.54 and 399,135,253.52 is: 598,702,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,419,607.78 : 2,256,626,404.54 = 399,135,253.52 : x
  2. Step 2: Convert to fraction form
    1,504,419,607.78/2,256,626,404.54 = 399,135,253.52/x
  3. Step 3: Cross multiply
    1,504,419,607.78x = 2,256,626,404.54 × 399,135,253.52
  4. Step 4: Simplify right side
    1,504,419,607.78x = 900,699,152,082,119,552
  5. Step 5: Solve for x
    x = 900,699,152,082,119,552/1,504,419,607.78
  6. Step 6: Final answer
    x = 598,702,082.47

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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.