Home / 85,016,089,793.39-127,542,044,698.32-27,578,438,679.51

Finding the Fourth Proportional to 85,016,089,793.39, 127,542,044,698.32 and 27,578,438,679.51

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Solution

The fourth proportional to 85,016,089,793.39, 127,542,044,698.32 and 27,578,438,679.51 is: 41,373,467,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,016,089,793.39 : 127,542,044,698.32 = 27,578,438,679.51 : x
  2. Step 2: Convert to fraction form
    85,016,089,793.39/127,542,044,698.32 = 27,578,438,679.51/x
  3. Step 3: Cross multiply
    85,016,089,793.39x = 127,542,044,698.32 × 27,578,438,679.51
  4. Step 4: Simplify right side
    85,016,089,793.39x = 3,517,410,458,771,304,480,768
  5. Step 5: Solve for x
    x = 3,517,410,458,771,304,480,768/85,016,089,793.39
  6. Step 6: Final answer
    x = 41,373,467,861.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.