Home / 202,187,992,019.33-279,028,199,756.07-111,967,445,643.38

Finding the Fourth Proportional to 202,187,992,019.33, 279,028,199,756.07 and 111,967,445,643.38

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Solution

The fourth proportional to 202,187,992,019.33, 279,028,199,756.07 and 111,967,445,643.38 is: 154,519,932,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,019.33 : 279,028,199,756.07 = 111,967,445,643.38 : x
  2. Step 2: Convert to fraction form
    202,187,992,019.33/279,028,199,756.07 = 111,967,445,643.38/x
  3. Step 3: Cross multiply
    202,187,992,019.33x = 279,028,199,756.07 × 111,967,445,643.38
  4. Step 4: Simplify right side
    202,187,992,019.33x = 31,242,074,789,157,944,688,640
  5. Step 5: Solve for x
    x = 31,242,074,789,157,944,688,640/202,187,992,019.33
  6. Step 6: Final answer
    x = 154,519,932,054.97

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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.