Home / 681,622,539.60-1,023,105,655.80-336,965,336.40

Finding the Fourth Proportional to 681,622,539.60, 1,023,105,655.80 and 336,965,336.40

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Solution

The fourth proportional to 681,622,539.60, 1,023,105,655.80 and 336,965,336.40 is: 505,780,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,622,539.60 : 1,023,105,655.80 = 336,965,336.40 : x
  2. Step 2: Convert to fraction form
    681,622,539.60/1,023,105,655.80 = 336,965,336.40/x
  3. Step 3: Cross multiply
    681,622,539.60x = 1,023,105,655.80 × 336,965,336.40
  4. Step 4: Simplify right side
    681,622,539.60x = 344,751,141,479,389,568
  5. Step 5: Solve for x
    x = 344,751,141,479,389,568/681,622,539.60
  6. Step 6: Final answer
    x = 505,780,137.03

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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.