Home / 777,335,634.25-1,166,003,451.42-259,766,074.72

Finding the Fourth Proportional to 777,335,634.25, 1,166,003,451.42 and 259,766,074.72

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Solution

The fourth proportional to 777,335,634.25, 1,166,003,451.42 and 259,766,074.72 is: 389,649,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,335,634.25 : 1,166,003,451.42 = 259,766,074.72 : x
  2. Step 2: Convert to fraction form
    777,335,634.25/1,166,003,451.42 = 259,766,074.72/x
  3. Step 3: Cross multiply
    777,335,634.25x = 1,166,003,451.42 × 259,766,074.72
  4. Step 4: Simplify right side
    777,335,634.25x = 302,888,139,685,345,600
  5. Step 5: Solve for x
    x = 302,888,139,685,345,600/777,335,634.25
  6. Step 6: Final answer
    x = 389,649,112.10

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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.