Home / 1,127,751,754.26-1,691,709,162.75-472,043,314.74

Finding the Fourth Proportional to 1,127,751,754.26, 1,691,709,162.75 and 472,043,314.74

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Solution

The fourth proportional to 1,127,751,754.26, 1,691,709,162.75 and 472,043,314.74 is: 708,099,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,751,754.26 : 1,691,709,162.75 = 472,043,314.74 : x
  2. Step 2: Convert to fraction form
    1,127,751,754.26/1,691,709,162.75 = 472,043,314.74/x
  3. Step 3: Cross multiply
    1,127,751,754.26x = 1,691,709,162.75 × 472,043,314.74
  4. Step 4: Simplify right side
    1,127,751,754.26x = 798,560,000,760,540,160
  5. Step 5: Solve for x
    x = 798,560,000,760,540,160/1,127,751,754.26
  6. Step 6: Final answer
    x = 708,099,098.71

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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.