Home / 494,205,012.21-682,001,045.27-271,190,425.15

Finding the Fourth Proportional to 494,205,012.21, 682,001,045.27 and 271,190,425.15

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Solution

The fourth proportional to 494,205,012.21, 682,001,045.27 and 271,190,425.15 is: 374,241,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,205,012.21 : 682,001,045.27 = 271,190,425.15 : x
  2. Step 2: Convert to fraction form
    494,205,012.21/682,001,045.27 = 271,190,425.15/x
  3. Step 3: Cross multiply
    494,205,012.21x = 682,001,045.27 × 271,190,425.15
  4. Step 4: Simplify right side
    494,205,012.21x = 184,952,153,420,029,216
  5. Step 5: Solve for x
    x = 184,952,153,420,029,216/494,205,012.21
  6. Step 6: Final answer
    x = 374,241,759.69

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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.