Home / 330,165,019.20-495,247,528.80-298,420,276.80

Finding the Fourth Proportional to 330,165,019.20, 495,247,528.80 and 298,420,276.80

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Solution

The fourth proportional to 330,165,019.20, 495,247,528.80 and 298,420,276.80 is: 447,630,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,165,019.20 : 495,247,528.80 = 298,420,276.80 : x
  2. Step 2: Convert to fraction form
    330,165,019.20/495,247,528.80 = 298,420,276.80/x
  3. Step 3: Cross multiply
    330,165,019.20x = 495,247,528.80 × 298,420,276.80
  4. Step 4: Simplify right side
    330,165,019.20x = 147,791,904,629,011,968
  5. Step 5: Solve for x
    x = 147,791,904,629,011,968/330,165,019.20
  6. Step 6: Final answer
    x = 447,630,415.20

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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.