Home / 777,335,633.25-1,166,003,449.92-259,766,073.72

Finding the Fourth Proportional to 777,335,633.25, 1,166,003,449.92 and 259,766,073.72

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Solution

The fourth proportional to 777,335,633.25, 1,166,003,449.92 and 259,766,073.72 is: 389,649,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,335,633.25 : 1,166,003,449.92 = 259,766,073.72 : x
  2. Step 2: Convert to fraction form
    777,335,633.25/1,166,003,449.92 = 259,766,073.72/x
  3. Step 3: Cross multiply
    777,335,633.25x = 1,166,003,449.92 × 259,766,073.72
  4. Step 4: Simplify right side
    777,335,633.25x = 302,888,138,129,693,056
  5. Step 5: Solve for x
    x = 302,888,138,129,693,056/777,335,633.25
  6. Step 6: Final answer
    x = 389,649,110.60

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Double scale
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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.