Home / 330,250,666.20-495,375,999.30-100,219,381.80

Finding the Fourth Proportional to 330,250,666.20, 495,375,999.30 and 100,219,381.80

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Solution

The fourth proportional to 330,250,666.20, 495,375,999.30 and 100,219,381.80 is: 150,329,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,250,666.20 : 495,375,999.30 = 100,219,381.80 : x
  2. Step 2: Convert to fraction form
    330,250,666.20/495,375,999.30 = 100,219,381.80/x
  3. Step 3: Cross multiply
    330,250,666.20x = 495,375,999.30 × 100,219,381.80
  4. Step 4: Simplify right side
    330,250,666.20x = 49,646,276,408,403,232
  5. Step 5: Solve for x
    x = 49,646,276,408,403,232/330,250,666.20
  6. Step 6: Final answer
    x = 150,329,072.70

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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.