Home / 777,335,654.22-1,166,003,481.42-259,766,094.72

Finding the Fourth Proportional to 777,335,654.22, 1,166,003,481.42 and 259,766,094.72

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Solution

The fourth proportional to 777,335,654.22, 1,166,003,481.42 and 259,766,094.72 is: 389,649,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,335,654.22 : 1,166,003,481.42 = 259,766,094.72 : x
  2. Step 2: Convert to fraction form
    777,335,654.22/1,166,003,481.42 = 259,766,094.72/x
  3. Step 3: Cross multiply
    777,335,654.22x = 1,166,003,481.42 × 259,766,094.72
  4. Step 4: Simplify right side
    777,335,654.22x = 302,888,170,798,397,504
  5. Step 5: Solve for x
    x = 302,888,170,798,397,504/777,335,654.22
  6. Step 6: Final answer
    x = 389,649,142.11

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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.