Home / 437,227,942.80-655,747,435.80-191,584,102.80

Finding the Fourth Proportional to 437,227,942.80, 655,747,435.80 and 191,584,102.80

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Solution

The fourth proportional to 437,227,942.80, 655,747,435.80 and 191,584,102.80 is: 287,334,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,227,942.80 : 655,747,435.80 = 191,584,102.80 : x
  2. Step 2: Convert to fraction form
    437,227,942.80/655,747,435.80 = 191,584,102.80/x
  3. Step 3: Cross multiply
    437,227,942.80x = 655,747,435.80 × 191,584,102.80
  4. Step 4: Simplify right side
    437,227,942.80x = 125,630,784,151,143,600
  5. Step 5: Solve for x
    x = 125,630,784,151,143,600/437,227,942.80
  6. Step 6: Final answer
    x = 287,334,755.75

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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.