Home / 445,268,809.76-667,902,771.16-305,071,131.02

Finding the Fourth Proportional to 445,268,809.76, 667,902,771.16 and 305,071,131.02

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Solution

The fourth proportional to 445,268,809.76, 667,902,771.16 and 305,071,131.02 is: 457,606,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,268,809.76 : 667,902,771.16 = 305,071,131.02 : x
  2. Step 2: Convert to fraction form
    445,268,809.76/667,902,771.16 = 305,071,131.02/x
  3. Step 3: Cross multiply
    445,268,809.76x = 667,902,771.16 × 305,071,131.02
  4. Step 4: Simplify right side
    445,268,809.76x = 203,757,853,805,071,232
  5. Step 5: Solve for x
    x = 203,757,853,805,071,232/445,268,809.76
  6. Step 6: Final answer
    x = 457,606,392.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.