Home / 65,190,100,154.40-97,785,150,231.60-40,395,188,858.40

Finding the Fourth Proportional to 65,190,100,154.40, 97,785,150,231.60 and 40,395,188,858.40

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Solution

The fourth proportional to 65,190,100,154.40, 97,785,150,231.60 and 40,395,188,858.40 is: 60,592,783,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,100,154.40 : 97,785,150,231.60 = 40,395,188,858.40 : x
  2. Step 2: Convert to fraction form
    65,190,100,154.40/97,785,150,231.60 = 40,395,188,858.40/x
  3. Step 3: Cross multiply
    65,190,100,154.40x = 97,785,150,231.60 × 40,395,188,858.40
  4. Step 4: Simplify right side
    65,190,100,154.40x = 3,950,049,611,152,498,884,608
  5. Step 5: Solve for x
    x = 3,950,049,611,152,498,884,608/65,190,100,154.40
  6. Step 6: Final answer
    x = 60,592,783,287.60

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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.