Home / 719,469,887.45-1,079,307,778.58-221,522,533.95

Finding the Fourth Proportional to 719,469,887.45, 1,079,307,778.58 and 221,522,533.95

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Solution

The fourth proportional to 719,469,887.45, 1,079,307,778.58 and 221,522,533.95 is: 332,315,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,469,887.45 : 1,079,307,778.58 = 221,522,533.95 : x
  2. Step 2: Convert to fraction form
    719,469,887.45/1,079,307,778.58 = 221,522,533.95/x
  3. Step 3: Cross multiply
    719,469,887.45x = 1,079,307,778.58 × 221,522,533.95
  4. Step 4: Simplify right side
    719,469,887.45x = 239,090,994,022,987,104
  5. Step 5: Solve for x
    x = 239,090,994,022,987,104/719,469,887.45
  6. Step 6: Final answer
    x = 332,315,498.11

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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.