Home / 449,078,752.80-673,618,129.20-203,553,010.80

Finding the Fourth Proportional to 449,078,752.80, 673,618,129.20 and 203,553,010.80

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Solution

The fourth proportional to 449,078,752.80, 673,618,129.20 and 203,553,010.80 is: 305,329,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,078,752.80 : 673,618,129.20 = 203,553,010.80 : x
  2. Step 2: Convert to fraction form
    449,078,752.80/673,618,129.20 = 203,553,010.80/x
  3. Step 3: Cross multiply
    449,078,752.80x = 673,618,129.20 × 203,553,010.80
  4. Step 4: Simplify right side
    449,078,752.80x = 137,116,998,328,123,408
  5. Step 5: Solve for x
    x = 137,116,998,328,123,408/449,078,752.80
  6. Step 6: Final answer
    x = 305,329,516.20

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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.