Home / 211,258,432,847.20-316,887,649,270.80-211,258,432,847.20

Finding the Fourth Proportional to 211,258,432,847.20, 316,887,649,270.80 and 211,258,432,847.20

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Solution

The fourth proportional to 211,258,432,847.20, 316,887,649,270.80 and 211,258,432,847.20 is: 316,887,649,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,258,432,847.20 : 316,887,649,270.80 = 211,258,432,847.20 : x
  2. Step 2: Convert to fraction form
    211,258,432,847.20/316,887,649,270.80 = 211,258,432,847.20/x
  3. Step 3: Cross multiply
    211,258,432,847.20x = 316,887,649,270.80 × 211,258,432,847.20
  4. Step 4: Simplify right side
    211,258,432,847.20x = 66,945,188,173,582,367,195,136
  5. Step 5: Solve for x
    x = 66,945,188,173,582,367,195,136/211,258,432,847.20
  6. Step 6: Final answer
    x = 316,887,649,270.80

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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.