Home / 330,149,327.20-494,048,259.60-287,487,080.80

Finding the Fourth Proportional to 330,149,327.20, 494,048,259.60 and 287,487,080.80

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Solution

The fourth proportional to 330,149,327.20, 494,048,259.60 and 287,487,080.80 is: 430,206,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,149,327.20 : 494,048,259.60 = 287,487,080.80 : x
  2. Step 2: Convert to fraction form
    330,149,327.20/494,048,259.60 = 287,487,080.80/x
  3. Step 3: Cross multiply
    330,149,327.20x = 494,048,259.60 × 287,487,080.80
  4. Step 4: Simplify right side
    330,149,327.20x = 142,032,491,926,724,592
  5. Step 5: Solve for x
    x = 142,032,491,926,724,592/330,149,327.20
  6. Step 6: Final answer
    x = 430,206,819.23

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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.