Home / 946,467,375.72-1,306,100,915.80-528,782,797.92

Finding the Fourth Proportional to 946,467,375.72, 1,306,100,915.80 and 528,782,797.92

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Solution

The fourth proportional to 946,467,375.72, 1,306,100,915.80 and 528,782,797.92 is: 729,706,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,467,375.72 : 1,306,100,915.80 = 528,782,797.92 : x
  2. Step 2: Convert to fraction form
    946,467,375.72/1,306,100,915.80 = 528,782,797.92/x
  3. Step 3: Cross multiply
    946,467,375.72x = 1,306,100,915.80 × 528,782,797.92
  4. Step 4: Simplify right side
    946,467,375.72x = 690,643,696,622,598,272
  5. Step 5: Solve for x
    x = 690,643,696,622,598,272/946,467,375.72
  6. Step 6: Final answer
    x = 729,706,817.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.