Home / 612,043,311,609.10-844,890,638,531.15-395,375,174,336.55

Finding the Fourth Proportional to 612,043,311,609.10, 844,890,638,531.15 and 395,375,174,336.55

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Solution

The fourth proportional to 612,043,311,609.10, 844,890,638,531.15 and 395,375,174,336.55 is: 545,792,719,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,043,311,609.10 : 844,890,638,531.15 = 395,375,174,336.55 : x
  2. Step 2: Convert to fraction form
    612,043,311,609.10/844,890,638,531.15 = 395,375,174,336.55/x
  3. Step 3: Cross multiply
    612,043,311,609.10x = 844,890,638,531.15 × 395,375,174,336.55
  4. Step 4: Simplify right side
    612,043,311,609.10x = 334,048,783,504,572,512,468,992
  5. Step 5: Solve for x
    x = 334,048,783,504,572,512,468,992/612,043,311,609.10
  6. Step 6: Final answer
    x = 545,792,719,515.78

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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.