Home / 1,682,640,012.80-2,523,960,019.20-1,274,493,324.80

Finding the Fourth Proportional to 1,682,640,012.80, 2,523,960,019.20 and 1,274,493,324.80

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Solution

The fourth proportional to 1,682,640,012.80, 2,523,960,019.20 and 1,274,493,324.80 is: 1,911,739,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,640,012.80 : 2,523,960,019.20 = 1,274,493,324.80 : x
  2. Step 2: Convert to fraction form
    1,682,640,012.80/2,523,960,019.20 = 1,274,493,324.80/x
  3. Step 3: Cross multiply
    1,682,640,012.80x = 2,523,960,019.20 × 1,274,493,324.80
  4. Step 4: Simplify right side
    1,682,640,012.80x = 3,216,770,196,532,479,488
  5. Step 5: Solve for x
    x = 3,216,770,196,532,479,488/1,682,640,012.80
  6. Step 6: Final answer
    x = 1,911,739,987.20

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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.