Home / 804,187,102.23-1,205,589,778.83-279,488,032.74

Finding the Fourth Proportional to 804,187,102.23, 1,205,589,778.83 and 279,488,032.74

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Solution

The fourth proportional to 804,187,102.23, 1,205,589,778.83 and 279,488,032.74 is: 418,991,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,187,102.23 : 1,205,589,778.83 = 279,488,032.74 : x
  2. Step 2: Convert to fraction form
    804,187,102.23/1,205,589,778.83 = 279,488,032.74/x
  3. Step 3: Cross multiply
    804,187,102.23x = 1,205,589,778.83 × 279,488,032.74
  4. Step 4: Simplify right side
    804,187,102.23x = 336,947,915,576,648,384
  5. Step 5: Solve for x
    x = 336,947,915,576,648,384/804,187,102.23
  6. Step 6: Final answer
    x = 418,991,941.85

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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.