Home / 270,453,684,997.72-405,759,044,236.36-109,021,781,446.12

Finding the Fourth Proportional to 270,453,684,997.72, 405,759,044,236.36 and 109,021,781,446.12

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Solution

The fourth proportional to 270,453,684,997.72, 405,759,044,236.36 and 109,021,781,446.12 is: 163,564,322,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,453,684,997.72 : 405,759,044,236.36 = 109,021,781,446.12 : x
  2. Step 2: Convert to fraction form
    270,453,684,997.72/405,759,044,236.36 = 109,021,781,446.12/x
  3. Step 3: Cross multiply
    270,453,684,997.72x = 405,759,044,236.36 × 109,021,781,446.12
  4. Step 4: Simplify right side
    270,453,684,997.72x = 44,236,573,840,522,969,350,144
  5. Step 5: Solve for x
    x = 44,236,573,840,522,969,350,144/270,453,684,997.72
  6. Step 6: Final answer
    x = 163,564,322,818.88

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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.