Home / 1,907,712,106.80-2,861,568,160.20-1,327,236,817.20

Finding the Fourth Proportional to 1,907,712,106.80, 2,861,568,160.20 and 1,327,236,817.20

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Solution

The fourth proportional to 1,907,712,106.80, 2,861,568,160.20 and 1,327,236,817.20 is: 1,990,855,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,712,106.80 : 2,861,568,160.20 = 1,327,236,817.20 : x
  2. Step 2: Convert to fraction form
    1,907,712,106.80/2,861,568,160.20 = 1,327,236,817.20/x
  3. Step 3: Cross multiply
    1,907,712,106.80x = 2,861,568,160.20 × 1,327,236,817.20
  4. Step 4: Simplify right side
    1,907,712,106.80x = 3,797,978,617,144,707,584
  5. Step 5: Solve for x
    x = 3,797,978,617,144,707,584/1,907,712,106.80
  6. Step 6: Final answer
    x = 1,990,855,225.80

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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.