Home / 84,978,062,707.12-117,280,009,777.16-48,365,079,974.80

Finding the Fourth Proportional to 84,978,062,707.12, 117,280,009,777.16 and 48,365,079,974.80

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Solution

The fourth proportional to 84,978,062,707.12, 117,280,009,777.16 and 48,365,079,974.80 is: 66,749,663,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,978,062,707.12 : 117,280,009,777.16 = 48,365,079,974.80 : x
  2. Step 2: Convert to fraction form
    84,978,062,707.12/117,280,009,777.16 = 48,365,079,974.80/x
  3. Step 3: Cross multiply
    84,978,062,707.12x = 117,280,009,777.16 × 48,365,079,974.80
  4. Step 4: Simplify right side
    84,978,062,707.12x = 5,672,257,052,317,669,392,384
  5. Step 5: Solve for x
    x = 5,672,257,052,317,669,392,384/84,978,062,707.12
  6. Step 6: Final answer
    x = 66,749,663,049.71

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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.