Home / 65,190,100,281.40-97,785,150,422.10-40,395,188,985.40

Finding the Fourth Proportional to 65,190,100,281.40, 97,785,150,422.10 and 40,395,188,985.40

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Solution

The fourth proportional to 65,190,100,281.40, 97,785,150,422.10 and 40,395,188,985.40 is: 60,592,783,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,100,281.40 : 97,785,150,422.10 = 40,395,188,985.40 : x
  2. Step 2: Convert to fraction form
    65,190,100,281.40/97,785,150,422.10 = 40,395,188,985.40/x
  3. Step 3: Cross multiply
    65,190,100,281.40x = 97,785,150,422.10 × 40,395,188,985.40
  4. Step 4: Simplify right side
    65,190,100,281.40x = 3,950,049,631,266,496,577,536
  5. Step 5: Solve for x
    x = 3,950,049,631,266,496,577,536/65,190,100,281.40
  6. Step 6: Final answer
    x = 60,592,783,478.10

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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.