Home / 1,197,792,021.20-1,796,555,321.40-982,004,910.80

Finding the Fourth Proportional to 1,197,792,021.20, 1,796,555,321.40 and 982,004,910.80

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Solution

The fourth proportional to 1,197,792,021.20, 1,796,555,321.40 and 982,004,910.80 is: 1,472,898,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,792,021.20 : 1,796,555,321.40 = 982,004,910.80 : x
  2. Step 2: Convert to fraction form
    1,197,792,021.20/1,796,555,321.40 = 982,004,910.80/x
  3. Step 3: Cross multiply
    1,197,792,021.20x = 1,796,555,321.40 × 982,004,910.80
  4. Step 4: Simplify right side
    1,197,792,021.20x = 1,764,226,148,138,672,384
  5. Step 5: Solve for x
    x = 1,764,226,148,138,672,384/1,197,792,021.20
  6. Step 6: Final answer
    x = 1,472,898,564.12

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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.