Home / 496,285,500.56-683,612,720.91-378,606,527.33

Finding the Fourth Proportional to 496,285,500.56, 683,612,720.91 and 378,606,527.33

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Solution

The fourth proportional to 496,285,500.56, 683,612,720.91 and 378,606,527.33 is: 521,514,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,285,500.56 : 683,612,720.91 = 378,606,527.33 : x
  2. Step 2: Convert to fraction form
    496,285,500.56/683,612,720.91 = 378,606,527.33/x
  3. Step 3: Cross multiply
    496,285,500.56x = 683,612,720.91 × 378,606,527.33
  4. Step 4: Simplify right side
    496,285,500.56x = 258,820,238,302,347,552
  5. Step 5: Solve for x
    x = 258,820,238,302,347,552/496,285,500.56
  6. Step 6: Final answer
    x = 521,514,809.54

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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.