Home / 299,379,214.40-449,068,821.60-262,353,012.80

Finding the Fourth Proportional to 299,379,214.40, 449,068,821.60 and 262,353,012.80

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Solution

The fourth proportional to 299,379,214.40, 449,068,821.60 and 262,353,012.80 is: 393,529,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,379,214.40 : 449,068,821.60 = 262,353,012.80 : x
  2. Step 2: Convert to fraction form
    299,379,214.40/449,068,821.60 = 262,353,012.80/x
  3. Step 3: Cross multiply
    299,379,214.40x = 449,068,821.60 × 262,353,012.80
  4. Step 4: Simplify right side
    299,379,214.40x = 117,814,558,301,305,728
  5. Step 5: Solve for x
    x = 117,814,558,301,305,728/299,379,214.40
  6. Step 6: Final answer
    x = 393,529,519.20

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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.