Home / 38,458,446,717.56-53,072,968,086.88-21,311,586,414.42

Finding the Fourth Proportional to 38,458,446,717.56, 53,072,968,086.88 and 21,311,586,414.42

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Solution

The fourth proportional to 38,458,446,717.56, 53,072,968,086.88 and 21,311,586,414.42 is: 29,410,161,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458,446,717.56 : 53,072,968,086.88 = 21,311,586,414.42 : x
  2. Step 2: Convert to fraction form
    38,458,446,717.56/53,072,968,086.88 = 21,311,586,414.42/x
  3. Step 3: Cross multiply
    38,458,446,717.56x = 53,072,968,086.88 × 21,311,586,414.42
  4. Step 4: Simplify right side
    38,458,446,717.56x = 1,131,069,145,653,297,807,360
  5. Step 5: Solve for x
    x = 1,131,069,145,653,297,807,360/38,458,446,717.56
  6. Step 6: Final answer
    x = 29,410,161,932.95

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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.