Home / 84,978,062,389.56-117,280,009,341.78-48,365,079,664.26

Finding the Fourth Proportional to 84,978,062,389.56, 117,280,009,341.78 and 48,365,079,664.26

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Solution

The fourth proportional to 84,978,062,389.56, 117,280,009,341.78 and 48,365,079,664.26 is: 66,749,662,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,978,062,389.56 : 117,280,009,341.78 = 48,365,079,664.26 : x
  2. Step 2: Convert to fraction form
    84,978,062,389.56/117,280,009,341.78 = 48,365,079,664.26/x
  3. Step 3: Cross multiply
    84,978,062,389.56x = 117,280,009,341.78 × 48,365,079,664.26
  4. Step 4: Simplify right side
    84,978,062,389.56x = 5,672,256,994,840,347,148,288
  5. Step 5: Solve for x
    x = 5,672,256,994,840,347,148,288/84,978,062,389.56
  6. Step 6: Final answer
    x = 66,749,662,622.78

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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.