Home / 202,187,991,999.62-279,028,199,728.91-111,967,445,623.76

Finding the Fourth Proportional to 202,187,991,999.62, 279,028,199,728.91 and 111,967,445,623.76

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Solution

The fourth proportional to 202,187,991,999.62, 279,028,199,728.91 and 111,967,445,623.76 is: 154,519,932,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,991,999.62 : 279,028,199,728.91 = 111,967,445,623.76 : x
  2. Step 2: Convert to fraction form
    202,187,991,999.62/279,028,199,728.91 = 111,967,445,623.76/x
  3. Step 3: Cross multiply
    202,187,991,999.62x = 279,028,199,728.91 × 111,967,445,623.76
  4. Step 4: Simplify right side
    202,187,991,999.62x = 31,242,074,780,642,370,912,256
  5. Step 5: Solve for x
    x = 31,242,074,780,642,370,912,256/202,187,991,999.62
  6. Step 6: Final answer
    x = 154,519,932,027.92

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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.