Home / 635,375,231.38-876,906,076.98-356,937,938.74

Finding the Fourth Proportional to 635,375,231.38, 876,906,076.98 and 356,937,938.74

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Solution

The fourth proportional to 635,375,231.38, 876,906,076.98 and 356,937,938.74 is: 492,623,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,375,231.38 : 876,906,076.98 = 356,937,938.74 : x
  2. Step 2: Convert to fraction form
    635,375,231.38/876,906,076.98 = 356,937,938.74/x
  3. Step 3: Cross multiply
    635,375,231.38x = 876,906,076.98 × 356,937,938.74
  4. Step 4: Simplify right side
    635,375,231.38x = 313,001,047,585,820,992
  5. Step 5: Solve for x
    x = 313,001,047,585,820,992/635,375,231.38
  6. Step 6: Final answer
    x = 492,623,936.42

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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.