Home / 203,285,187,299.97-280,936,062,693.87-166,605,449,315.71

Finding the Fourth Proportional to 203,285,187,299.97, 280,936,062,693.87 and 166,605,449,315.71

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Solution

The fourth proportional to 203,285,187,299.97, 280,936,062,693.87 and 166,605,449,315.71 is: 230,245,398,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,285,187,299.97 : 280,936,062,693.87 = 166,605,449,315.71 : x
  2. Step 2: Convert to fraction form
    203,285,187,299.97/280,936,062,693.87 = 166,605,449,315.71/x
  3. Step 3: Cross multiply
    203,285,187,299.97x = 280,936,062,693.87 × 166,605,449,315.71
  4. Step 4: Simplify right side
    203,285,187,299.97x = 46,805,478,954,098,684,329,984
  5. Step 5: Solve for x
    x = 46,805,478,954,098,684,329,984/203,285,187,299.97
  6. Step 6: Final answer
    x = 230,245,398,475.75

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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.