Home / 84,978,062,382.08-117,280,009,331.42-48,365,079,656.73

Finding the Fourth Proportional to 84,978,062,382.08, 117,280,009,331.42 and 48,365,079,656.73

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Solution

The fourth proportional to 84,978,062,382.08, 117,280,009,331.42 and 48,365,079,656.73 is: 66,749,662,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,978,062,382.08 : 117,280,009,331.42 = 48,365,079,656.73 : x
  2. Step 2: Convert to fraction form
    84,978,062,382.08/117,280,009,331.42 = 48,365,079,656.73/x
  3. Step 3: Cross multiply
    84,978,062,382.08x = 117,280,009,331.42 × 48,365,079,656.73
  4. Step 4: Simplify right side
    84,978,062,382.08x = 5,672,256,993,456,166,010,880
  5. Step 5: Solve for x
    x = 5,672,256,993,456,166,010,880/84,978,062,382.08
  6. Step 6: Final answer
    x = 66,749,662,612.37

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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.