Home / 647,539,706.64-970,830,868.92-336,200,311.44

Finding the Fourth Proportional to 647,539,706.64, 970,830,868.92 and 336,200,311.44

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Solution

The fourth proportional to 647,539,706.64, 970,830,868.92 and 336,200,311.44 is: 504,051,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,539,706.64 : 970,830,868.92 = 336,200,311.44 : x
  2. Step 2: Convert to fraction form
    647,539,706.64/970,830,868.92 = 336,200,311.44/x
  3. Step 3: Cross multiply
    647,539,706.64x = 970,830,868.92 × 336,200,311.44
  4. Step 4: Simplify right side
    647,539,706.64x = 326,393,640,486,469,824
  5. Step 5: Solve for x
    x = 326,393,640,486,469,824/647,539,706.64
  6. Step 6: Final answer
    x = 504,051,932.48

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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.