Home / 306,190,360.20-459,285,540.30-274,622,764.80

Finding the Fourth Proportional to 306,190,360.20, 459,285,540.30 and 274,622,764.80

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Solution

The fourth proportional to 306,190,360.20, 459,285,540.30 and 274,622,764.80 is: 411,934,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,190,360.20 : 459,285,540.30 = 274,622,764.80 : x
  2. Step 2: Convert to fraction form
    306,190,360.20/459,285,540.30 = 274,622,764.80/x
  3. Step 3: Cross multiply
    306,190,360.20x = 459,285,540.30 × 274,622,764.80
  4. Step 4: Simplify right side
    306,190,360.20x = 126,130,264,909,847,824
  5. Step 5: Solve for x
    x = 126,130,264,909,847,824/306,190,360.20
  6. Step 6: Final answer
    x = 411,934,147.20

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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.