Home / 270,453,684,991.70-405,759,044,227.34-109,021,781,440.10

Finding the Fourth Proportional to 270,453,684,991.70, 405,759,044,227.34 and 109,021,781,440.10

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Solution

The fourth proportional to 270,453,684,991.70, 405,759,044,227.34 and 109,021,781,440.10 is: 163,564,322,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,453,684,991.70 : 405,759,044,227.34 = 109,021,781,440.10 : x
  2. Step 2: Convert to fraction form
    270,453,684,991.70/405,759,044,227.34 = 109,021,781,440.10/x
  3. Step 3: Cross multiply
    270,453,684,991.70x = 405,759,044,227.34 × 109,021,781,440.10
  4. Step 4: Simplify right side
    270,453,684,991.70x = 44,236,573,837,096,936,013,824
  5. Step 5: Solve for x
    x = 44,236,573,837,096,936,013,824/270,453,684,991.70
  6. Step 6: Final answer
    x = 163,564,322,809.85

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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.