Home / 1,873,588,786.20-2,808,367,640.10-708,607,128.60

Finding the Fourth Proportional to 1,873,588,786.20, 2,808,367,640.10 and 708,607,128.60

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Solution

The fourth proportional to 1,873,588,786.20, 2,808,367,640.10 and 708,607,128.60 is: 1,062,148,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,588,786.20 : 2,808,367,640.10 = 708,607,128.60 : x
  2. Step 2: Convert to fraction form
    1,873,588,786.20/2,808,367,640.10 = 708,607,128.60/x
  3. Step 3: Cross multiply
    1,873,588,786.20x = 2,808,367,640.10 × 708,607,128.60
  4. Step 4: Simplify right side
    1,873,588,786.20x = 1,990,029,329,504,419,328
  5. Step 5: Solve for x
    x = 1,990,029,329,504,419,328/1,873,588,786.20
  6. Step 6: Final answer
    x = 1,062,148,398.92

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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.