Home / 1,948,297,766.30-2,688,851,311.33-1,185,395,996.80

Finding the Fourth Proportional to 1,948,297,766.30, 2,688,851,311.33 and 1,185,395,996.80

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Solution

The fourth proportional to 1,948,297,766.30, 2,688,851,311.33 and 1,185,395,996.80 is: 1,635,968,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,297,766.30 : 2,688,851,311.33 = 1,185,395,996.80 : x
  2. Step 2: Convert to fraction form
    1,948,297,766.30/2,688,851,311.33 = 1,185,395,996.80/x
  3. Step 3: Cross multiply
    1,948,297,766.30x = 2,688,851,311.33 × 1,185,395,996.80
  4. Step 4: Simplify right side
    1,948,297,766.30x = 3,187,353,580,427,568,128
  5. Step 5: Solve for x
    x = 3,187,353,580,427,568,128/1,948,297,766.30
  6. Step 6: Final answer
    x = 1,635,968,400.50

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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.