Home / 330,088,688.80-495,133,033.20-215,297,432.80

Finding the Fourth Proportional to 330,088,688.80, 495,133,033.20 and 215,297,432.80

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Solution

The fourth proportional to 330,088,688.80, 495,133,033.20 and 215,297,432.80 is: 322,946,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,088,688.80 : 495,133,033.20 = 215,297,432.80 : x
  2. Step 2: Convert to fraction form
    330,088,688.80/495,133,033.20 = 215,297,432.80/x
  3. Step 3: Cross multiply
    330,088,688.80x = 495,133,033.20 × 215,297,432.80
  4. Step 4: Simplify right side
    330,088,688.80x = 106,600,870,942,437,168
  5. Step 5: Solve for x
    x = 106,600,870,942,437,168/330,088,688.80
  6. Step 6: Final answer
    x = 322,946,149.20

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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.