Home / 612,043,311,617.12-844,890,638,542.20-395,375,174,344.56

Finding the Fourth Proportional to 612,043,311,617.12, 844,890,638,542.20 and 395,375,174,344.56

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Solution

The fourth proportional to 612,043,311,617.12, 844,890,638,542.20 and 395,375,174,344.56 is: 545,792,719,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,043,311,617.12 : 844,890,638,542.20 = 395,375,174,344.56 : x
  2. Step 2: Convert to fraction form
    612,043,311,617.12/844,890,638,542.20 = 395,375,174,344.56/x
  3. Step 3: Cross multiply
    612,043,311,617.12x = 844,890,638,542.20 × 395,375,174,344.56
  4. Step 4: Simplify right side
    612,043,311,617.12x = 334,048,783,515,708,960,014,336
  5. Step 5: Solve for x
    x = 334,048,783,515,708,960,014,336/612,043,311,617.12
  6. Step 6: Final answer
    x = 545,792,719,526.82

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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.