Home / 635,412,226.17-952,572,471.21-220,835,189.55

Finding the Fourth Proportional to 635,412,226.17, 952,572,471.21 and 220,835,189.55

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Solution

The fourth proportional to 635,412,226.17, 952,572,471.21 and 220,835,189.55 is: 331,063,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,412,226.17 : 952,572,471.21 = 220,835,189.55 : x
  2. Step 2: Convert to fraction form
    635,412,226.17/952,572,471.21 = 220,835,189.55/x
  3. Step 3: Cross multiply
    635,412,226.17x = 952,572,471.21 × 220,835,189.55
  4. Step 4: Simplify right side
    635,412,226.17x = 210,361,522,239,772,288
  5. Step 5: Solve for x
    x = 210,361,522,239,772,288/635,412,226.17
  6. Step 6: Final answer
    x = 331,063,069.89

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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.