Home / 635,318,855.70-876,761,310.14-353,073,190.63

Finding the Fourth Proportional to 635,318,855.70, 876,761,310.14 and 353,073,190.63

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Solution

The fourth proportional to 635,318,855.70, 876,761,310.14 and 353,073,190.63 is: 487,252,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,318,855.70 : 876,761,310.14 = 353,073,190.63 : x
  2. Step 2: Convert to fraction form
    635,318,855.70/876,761,310.14 = 353,073,190.63/x
  3. Step 3: Cross multiply
    635,318,855.70x = 876,761,310.14 × 353,073,190.63
  4. Step 4: Simplify right side
    635,318,855.70x = 309,560,913,192,550,912
  5. Step 5: Solve for x
    x = 309,560,913,192,550,912/635,318,855.70
  6. Step 6: Final answer
    x = 487,252,834.41

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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.