Home / 419,936,546.10-629,904,819.15-266,692,581.30

Finding the Fourth Proportional to 419,936,546.10, 629,904,819.15 and 266,692,581.30

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Solution

The fourth proportional to 419,936,546.10, 629,904,819.15 and 266,692,581.30 is: 400,038,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,936,546.10 : 629,904,819.15 = 266,692,581.30 : x
  2. Step 2: Convert to fraction form
    419,936,546.10/629,904,819.15 = 266,692,581.30/x
  3. Step 3: Cross multiply
    419,936,546.10x = 629,904,819.15 × 266,692,581.30
  4. Step 4: Simplify right side
    419,936,546.10x = 167,990,942,192,423,168
  5. Step 5: Solve for x
    x = 167,990,942,192,423,168/419,936,546.10
  6. Step 6: Final answer
    x = 400,038,871.95

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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.