Home / 482,785,867.61-666,480,687.39-323,959,164.31

Finding the Fourth Proportional to 482,785,867.61, 666,480,687.39 and 323,959,164.31

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Solution

The fourth proportional to 482,785,867.61, 666,480,687.39 and 323,959,164.31 is: 447,222,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,785,867.61 : 666,480,687.39 = 323,959,164.31 : x
  2. Step 2: Convert to fraction form
    482,785,867.61/666,480,687.39 = 323,959,164.31/x
  3. Step 3: Cross multiply
    482,785,867.61x = 666,480,687.39 × 323,959,164.31
  4. Step 4: Simplify right side
    482,785,867.61x = 215,912,526,513,952,544
  5. Step 5: Solve for x
    x = 215,912,526,513,952,544/482,785,867.61
  6. Step 6: Final answer
    x = 447,222,135.12

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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.