Home / 65,190,100,280.40-97,785,150,420.60-40,395,188,984.40

Finding the Fourth Proportional to 65,190,100,280.40, 97,785,150,420.60 and 40,395,188,984.40

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Solution

The fourth proportional to 65,190,100,280.40, 97,785,150,420.60 and 40,395,188,984.40 is: 60,592,783,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,100,280.40 : 97,785,150,420.60 = 40,395,188,984.40 : x
  2. Step 2: Convert to fraction form
    65,190,100,280.40/97,785,150,420.60 = 40,395,188,984.40/x
  3. Step 3: Cross multiply
    65,190,100,280.40x = 97,785,150,420.60 × 40,395,188,984.40
  4. Step 4: Simplify right side
    65,190,100,280.40x = 3,950,049,631,108,118,609,920
  5. Step 5: Solve for x
    x = 3,950,049,631,108,118,609,920/65,190,100,280.40
  6. Step 6: Final answer
    x = 60,592,783,476.60

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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.