Home / 777,335,653.22-1,166,003,479.92-259,766,093.72

Finding the Fourth Proportional to 777,335,653.22, 1,166,003,479.92 and 259,766,093.72

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Solution

The fourth proportional to 777,335,653.22, 1,166,003,479.92 and 259,766,093.72 is: 389,649,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,335,653.22 : 1,166,003,479.92 = 259,766,093.72 : x
  2. Step 2: Convert to fraction form
    777,335,653.22/1,166,003,479.92 = 259,766,093.72/x
  3. Step 3: Cross multiply
    777,335,653.22x = 1,166,003,479.92 × 259,766,093.72
  4. Step 4: Simplify right side
    777,335,653.22x = 302,888,169,242,744,896
  5. Step 5: Solve for x
    x = 302,888,169,242,744,896/777,335,653.22
  6. Step 6: Final answer
    x = 389,649,140.61

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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.