Home / 1,273,640,579,607.10-1,910,729,218,855.60-413,047,644,988.21

Finding the Fourth Proportional to 1,273,640,579,607.10, 1,910,729,218,855.60 and 413,047,644,988.21

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Solution

The fourth proportional to 1,273,640,579,607.10, 1,910,729,218,855.60 and 413,047,644,988.21 is: 619,658,494,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,640,579,607.10 : 1,910,729,218,855.60 = 413,047,644,988.21 : x
  2. Step 2: Convert to fraction form
    1,273,640,579,607.10/1,910,729,218,855.60 = 413,047,644,988.21/x
  3. Step 3: Cross multiply
    1,273,640,579,607.10x = 1,910,729,218,855.60 × 413,047,644,988.21
  4. Step 4: Simplify right side
    1,273,640,579,607.10x = 789,222,204,058,467,758,505,984
  5. Step 5: Solve for x
    x = 789,222,204,058,467,758,505,984/1,273,640,579,607.10
  6. Step 6: Final answer
    x = 619,658,494,472.54

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Double scale
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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.