Home / 330,150,840.20-494,050,529.10-287,488,593.80

Finding the Fourth Proportional to 330,150,840.20, 494,050,529.10 and 287,488,593.80

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Solution

The fourth proportional to 330,150,840.20, 494,050,529.10 and 287,488,593.80 is: 430,209,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,150,840.20 : 494,050,529.10 = 287,488,593.80 : x
  2. Step 2: Convert to fraction form
    330,150,840.20/494,050,529.10 = 287,488,593.80/x
  3. Step 3: Cross multiply
    330,150,840.20x = 494,050,529.10 × 287,488,593.80
  4. Step 4: Simplify right side
    330,150,840.20x = 142,033,891,877,104,992
  5. Step 5: Solve for x
    x = 142,033,891,877,104,992/330,150,840.20
  6. Step 6: Final answer
    x = 430,209,088.04

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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.