Home / 1,175,308,907.23-1,761,026,245.63-682,639,185.38

Finding the Fourth Proportional to 1,175,308,907.23, 1,761,026,245.63 and 682,639,185.38

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Solution

The fourth proportional to 1,175,308,907.23, 1,761,026,245.63 and 682,639,185.38 is: 1,022,833,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,308,907.23 : 1,761,026,245.63 = 682,639,185.38 : x
  2. Step 2: Convert to fraction form
    1,175,308,907.23/1,761,026,245.63 = 682,639,185.38/x
  3. Step 3: Cross multiply
    1,175,308,907.23x = 1,761,026,245.63 × 682,639,185.38
  4. Step 4: Simplify right side
    1,175,308,907.23x = 1,202,145,521,749,662,976
  5. Step 5: Solve for x
    x = 1,202,145,521,749,662,976/1,175,308,907.23
  6. Step 6: Final answer
    x = 1,022,833,668.97

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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.