Home / 603,441,620.80-905,162,431.20-297,331,604.80

Finding the Fourth Proportional to 603,441,620.80, 905,162,431.20 and 297,331,604.80

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Solution

The fourth proportional to 603,441,620.80, 905,162,431.20 and 297,331,604.80 is: 445,997,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,441,620.80 : 905,162,431.20 = 297,331,604.80 : x
  2. Step 2: Convert to fraction form
    603,441,620.80/905,162,431.20 = 297,331,604.80/x
  3. Step 3: Cross multiply
    603,441,620.80x = 905,162,431.20 × 297,331,604.80
  4. Step 4: Simplify right side
    603,441,620.80x = 269,133,398,273,365,600
  5. Step 5: Solve for x
    x = 269,133,398,273,365,600/603,441,620.80
  6. Step 6: Final answer
    x = 445,997,407.20

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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.