Home / 1,738,651,431.48-2,399,120,986.44-1,175,361,959.64

Finding the Fourth Proportional to 1,738,651,431.48, 2,399,120,986.44 and 1,175,361,959.64

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Solution

The fourth proportional to 1,738,651,431.48, 2,399,120,986.44 and 1,175,361,959.64 is: 1,621,852,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,651,431.48 : 2,399,120,986.44 = 1,175,361,959.64 : x
  2. Step 2: Convert to fraction form
    1,738,651,431.48/2,399,120,986.44 = 1,175,361,959.64/x
  3. Step 3: Cross multiply
    1,738,651,431.48x = 2,399,120,986.44 × 1,175,361,959.64
  4. Step 4: Simplify right side
    1,738,651,431.48x = 2,819,835,544,035,568,640
  5. Step 5: Solve for x
    x = 2,819,835,544,035,568,640/1,738,651,431.48
  6. Step 6: Final answer
    x = 1,621,852,139.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.