Home / 635,318,858.70-876,761,314.29-353,073,193.62

Finding the Fourth Proportional to 635,318,858.70, 876,761,314.29 and 353,073,193.62

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Solution

The fourth proportional to 635,318,858.70, 876,761,314.29 and 353,073,193.62 is: 487,252,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,318,858.70 : 876,761,314.29 = 353,073,193.62 : x
  2. Step 2: Convert to fraction form
    635,318,858.70/876,761,314.29 = 353,073,193.62/x
  3. Step 3: Cross multiply
    635,318,858.70x = 876,761,314.29 × 353,073,193.62
  4. Step 4: Simplify right side
    635,318,858.70x = 309,560,917,278,838,848
  5. Step 5: Solve for x
    x = 309,560,917,278,838,848/635,318,858.70
  6. Step 6: Final answer
    x = 487,252,838.54

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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.