Home / 1,380,823,862.73-2,071,221,622.33-798,187,379.73

Finding the Fourth Proportional to 1,380,823,862.73, 2,071,221,622.33 and 798,187,379.73

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Solution

The fourth proportional to 1,380,823,862.73, 2,071,221,622.33 and 798,187,379.73 is: 1,197,272,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,823,862.73 : 2,071,221,622.33 = 798,187,379.73 : x
  2. Step 2: Convert to fraction form
    1,380,823,862.73/2,071,221,622.33 = 798,187,379.73/x
  3. Step 3: Cross multiply
    1,380,823,862.73x = 2,071,221,622.33 × 798,187,379.73
  4. Step 4: Simplify right side
    1,380,823,862.73x = 1,653,222,959,553,355,520
  5. Step 5: Solve for x
    x = 1,653,222,959,553,355,520/1,380,823,862.73
  6. Step 6: Final answer
    x = 1,197,272,877.58

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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.