Home / 719,469,886.45-1,079,307,777.08-221,522,532.95

Finding the Fourth Proportional to 719,469,886.45, 1,079,307,777.08 and 221,522,532.95

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Solution

The fourth proportional to 719,469,886.45, 1,079,307,777.08 and 221,522,532.95 is: 332,315,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,469,886.45 : 1,079,307,777.08 = 221,522,532.95 : x
  2. Step 2: Convert to fraction form
    719,469,886.45/1,079,307,777.08 = 221,522,532.95/x
  3. Step 3: Cross multiply
    719,469,886.45x = 1,079,307,777.08 × 221,522,532.95
  4. Step 4: Simplify right side
    719,469,886.45x = 239,090,992,612,986,208
  5. Step 5: Solve for x
    x = 239,090,992,612,986,208/719,469,886.45
  6. Step 6: Final answer
    x = 332,315,496.61

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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.