Home / 511,081,231.40-766,621,847.10-306,504,002.60

Finding the Fourth Proportional to 511,081,231.40, 766,621,847.10 and 306,504,002.60

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Solution

The fourth proportional to 511,081,231.40, 766,621,847.10 and 306,504,002.60 is: 459,756,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,081,231.40 : 766,621,847.10 = 306,504,002.60 : x
  2. Step 2: Convert to fraction form
    511,081,231.40/766,621,847.10 = 306,504,002.60/x
  3. Step 3: Cross multiply
    511,081,231.40x = 766,621,847.10 × 306,504,002.60
  4. Step 4: Simplify right side
    511,081,231.40x = 234,972,664,616,755,232
  5. Step 5: Solve for x
    x = 234,972,664,616,755,232/511,081,231.40
  6. Step 6: Final answer
    x = 459,756,003.90

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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.