Home / 38,458,446,712.56-53,072,968,079.97-21,311,586,409.41

Finding the Fourth Proportional to 38,458,446,712.56, 53,072,968,079.97 and 21,311,586,409.41

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Solution

The fourth proportional to 38,458,446,712.56, 53,072,968,079.97 and 21,311,586,409.41 is: 29,410,161,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458,446,712.56 : 53,072,968,079.97 = 21,311,586,409.41 : x
  2. Step 2: Convert to fraction form
    38,458,446,712.56/53,072,968,079.97 = 21,311,586,409.41/x
  3. Step 3: Cross multiply
    38,458,446,712.56x = 53,072,968,079.97 × 21,311,586,409.41
  4. Step 4: Simplify right side
    38,458,446,712.56x = 1,131,069,145,240,139,464,704
  5. Step 5: Solve for x
    x = 1,131,069,145,240,139,464,704/38,458,446,712.56
  6. Step 6: Final answer
    x = 29,410,161,926.03

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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.