Home / 504,606,372.20-696,356,932.41-278,545,493.36

Finding the Fourth Proportional to 504,606,372.20, 696,356,932.41 and 278,545,493.36

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Solution

The fourth proportional to 504,606,372.20, 696,356,932.41 and 278,545,493.36 is: 384,392,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,606,372.20 : 696,356,932.41 = 278,545,493.36 : x
  2. Step 2: Convert to fraction form
    504,606,372.20/696,356,932.41 = 278,545,493.36/x
  3. Step 3: Cross multiply
    504,606,372.20x = 696,356,932.41 × 278,545,493.36
  4. Step 4: Simplify right side
    504,606,372.20x = 193,967,085,290,626,976
  5. Step 5: Solve for x
    x = 193,967,085,290,626,976/504,606,372.20
  6. Step 6: Final answer
    x = 384,392,857.43

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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.