Home / 299,379,217.40-449,068,826.10-262,353,015.80

Finding the Fourth Proportional to 299,379,217.40, 449,068,826.10 and 262,353,015.80

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Solution

The fourth proportional to 299,379,217.40, 449,068,826.10 and 262,353,015.80 is: 393,529,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,379,217.40 : 449,068,826.10 = 262,353,015.80 : x
  2. Step 2: Convert to fraction form
    299,379,217.40/449,068,826.10 = 262,353,015.80/x
  3. Step 3: Cross multiply
    299,379,217.40x = 449,068,826.10 × 262,353,015.80
  4. Step 4: Simplify right side
    299,379,217.40x = 117,814,560,829,100,768
  5. Step 5: Solve for x
    x = 117,814,560,829,100,768/299,379,217.40
  6. Step 6: Final answer
    x = 393,529,523.70

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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.