Home / 729,210,019,485.76-1,093,715,735,915.10-191,942,988,910.36

Finding the Fourth Proportional to 729,210,019,485.76, 1,093,715,735,915.10 and 191,942,988,910.36

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Solution

The fourth proportional to 729,210,019,485.76, 1,093,715,735,915.10 and 191,942,988,910.36 is: 287,888,347,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,210,019,485.76 : 1,093,715,735,915.10 = 191,942,988,910.36 : x
  2. Step 2: Convert to fraction form
    729,210,019,485.76/1,093,715,735,915.10 = 191,942,988,910.36/x
  3. Step 3: Cross multiply
    729,210,019,485.76x = 1,093,715,735,915.10 × 191,942,988,910.36
  4. Step 4: Simplify right side
    729,210,019,485.76x = 209,931,067,369,838,237,188,096
  5. Step 5: Solve for x
    x = 209,931,067,369,838,237,188,096/729,210,019,485.76
  6. Step 6: Final answer
    x = 287,888,347,334.95

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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.