Home / 243,425,255,195.65-365,193,978,896.49-84,248,356,440.03

Finding the Fourth Proportional to 243,425,255,195.65, 365,193,978,896.49 and 84,248,356,440.03

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Solution

The fourth proportional to 243,425,255,195.65, 365,193,978,896.49 and 84,248,356,440.03 is: 126,391,949,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,425,255,195.65 : 365,193,978,896.49 = 84,248,356,440.03 : x
  2. Step 2: Convert to fraction form
    243,425,255,195.65/365,193,978,896.49 = 84,248,356,440.03/x
  3. Step 3: Cross multiply
    243,425,255,195.65x = 365,193,978,896.49 × 84,248,356,440.03
  4. Step 4: Simplify right side
    243,425,255,195.65x = 30,766,992,503,823,921,053,696
  5. Step 5: Solve for x
    x = 30,766,992,503,823,921,053,696/243,425,255,195.65
  6. Step 6: Final answer
    x = 126,391,949,262.19

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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.