Home / 496,938,475.92-685,805,778.36-273,919,654.56

Finding the Fourth Proportional to 496,938,475.92, 685,805,778.36 and 273,919,654.56

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Solution

The fourth proportional to 496,938,475.92, 685,805,778.36 and 273,919,654.56 is: 378,026,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,938,475.92 : 685,805,778.36 = 273,919,654.56 : x
  2. Step 2: Convert to fraction form
    496,938,475.92/685,805,778.36 = 273,919,654.56/x
  3. Step 3: Cross multiply
    496,938,475.92x = 685,805,778.36 × 273,919,654.56
  4. Step 4: Simplify right side
    496,938,475.92x = 187,855,681,903,623,136
  5. Step 5: Solve for x
    x = 187,855,681,903,623,136/496,938,475.92
  6. Step 6: Final answer
    x = 378,026,035.43

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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.