Home / 449,320,809.90-673,981,214.85-367,691,472.30

Finding the Fourth Proportional to 449,320,809.90, 673,981,214.85 and 367,691,472.30

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Solution

The fourth proportional to 449,320,809.90, 673,981,214.85 and 367,691,472.30 is: 551,537,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,320,809.90 : 673,981,214.85 = 367,691,472.30 : x
  2. Step 2: Convert to fraction form
    449,320,809.90/673,981,214.85 = 367,691,472.30/x
  3. Step 3: Cross multiply
    449,320,809.90x = 673,981,214.85 × 367,691,472.30
  4. Step 4: Simplify right side
    449,320,809.90x = 247,817,145,190,739,136
  5. Step 5: Solve for x
    x = 247,817,145,190,739,136/449,320,809.90
  6. Step 6: Final answer
    x = 551,537,208.45

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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.