Home / 202,059,855,348.30-278,823,526,220.45-120,753,491,283.89

Finding the Fourth Proportional to 202,059,855,348.30, 278,823,526,220.45 and 120,753,491,283.89

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Solution

The fourth proportional to 202,059,855,348.30, 278,823,526,220.45 and 120,753,491,283.89 is: 166,628,419,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,059,855,348.30 : 278,823,526,220.45 = 120,753,491,283.89 : x
  2. Step 2: Convert to fraction form
    202,059,855,348.30/278,823,526,220.45 = 120,753,491,283.89/x
  3. Step 3: Cross multiply
    202,059,855,348.30x = 278,823,526,220.45 × 120,753,491,283.89
  4. Step 4: Simplify right side
    202,059,855,348.30x = 33,668,914,243,204,586,405,888
  5. Step 5: Solve for x
    x = 33,668,914,243,204,586,405,888/202,059,855,348.30
  6. Step 6: Final answer
    x = 166,628,419,015.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.