Home / 1,948,297,766.23-2,688,851,311.24-1,185,395,996.73

Finding the Fourth Proportional to 1,948,297,766.23, 2,688,851,311.24 and 1,185,395,996.73

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Solution

The fourth proportional to 1,948,297,766.23, 2,688,851,311.24 and 1,185,395,996.73 is: 1,635,968,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,297,766.23 : 2,688,851,311.24 = 1,185,395,996.73 : x
  2. Step 2: Convert to fraction form
    1,948,297,766.23/2,688,851,311.24 = 1,185,395,996.73/x
  3. Step 3: Cross multiply
    1,948,297,766.23x = 2,688,851,311.24 × 1,185,395,996.73
  4. Step 4: Simplify right side
    1,948,297,766.23x = 3,187,353,580,146,106,880
  5. Step 5: Solve for x
    x = 3,187,353,580,146,106,880/1,948,297,766.23
  6. Step 6: Final answer
    x = 1,635,968,400.41

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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.