Home / 1,273,640,579,618.60-1,910,729,218,873.10-413,047,644,999.60

Finding the Fourth Proportional to 1,273,640,579,618.60, 1,910,729,218,873.10 and 413,047,644,999.60

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Solution

The fourth proportional to 1,273,640,579,618.60, 1,910,729,218,873.10 and 413,047,644,999.60 is: 619,658,494,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,640,579,618.60 : 1,910,729,218,873.10 = 413,047,644,999.60 : x
  2. Step 2: Convert to fraction form
    1,273,640,579,618.60/1,910,729,218,873.10 = 413,047,644,999.60/x
  3. Step 3: Cross multiply
    1,273,640,579,618.60x = 1,910,729,218,873.10 × 413,047,644,999.60
  4. Step 4: Simplify right side
    1,273,640,579,618.60x = 789,222,204,087,459,190,407,168
  5. Step 5: Solve for x
    x = 789,222,204,087,459,190,407,168/1,273,640,579,618.60
  6. Step 6: Final answer
    x = 619,658,494,489.71

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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.