Home / 2,589,120,400.60-3,882,473,171.16-1,345,216,457.80

Finding the Fourth Proportional to 2,589,120,400.60, 3,882,473,171.16 and 1,345,216,457.80

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Solution

The fourth proportional to 2,589,120,400.60, 3,882,473,171.16 and 1,345,216,457.80 is: 2,017,197,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,120,400.60 : 3,882,473,171.16 = 1,345,216,457.80 : x
  2. Step 2: Convert to fraction form
    2,589,120,400.60/3,882,473,171.16 = 1,345,216,457.80/x
  3. Step 3: Cross multiply
    2,589,120,400.60x = 3,882,473,171.16 × 1,345,216,457.80
  4. Step 4: Simplify right side
    2,589,120,400.60x = 5,222,766,806,811,387,904
  5. Step 5: Solve for x
    x = 5,222,766,806,811,387,904/2,589,120,400.60
  6. Step 6: Final answer
    x = 2,017,197,348.41

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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.