Home / 496,572,446.52-685,269,980.28-276,555,872.52

Finding the Fourth Proportional to 496,572,446.52, 685,269,980.28 and 276,555,872.52

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Solution

The fourth proportional to 496,572,446.52, 685,269,980.28 and 276,555,872.52 is: 381,647,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,572,446.52 : 685,269,980.28 = 276,555,872.52 : x
  2. Step 2: Convert to fraction form
    496,572,446.52/685,269,980.28 = 276,555,872.52/x
  3. Step 3: Cross multiply
    496,572,446.52x = 685,269,980.28 × 276,555,872.52
  4. Step 4: Simplify right side
    496,572,446.52x = 189,515,437,308,098,560
  5. Step 5: Solve for x
    x = 189,515,437,308,098,560/496,572,446.52
  6. Step 6: Final answer
    x = 381,647,106.35

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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.