Home / 330,088,718.80-495,133,078.20-215,297,462.80

Finding the Fourth Proportional to 330,088,718.80, 495,133,078.20 and 215,297,462.80

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Solution

The fourth proportional to 330,088,718.80, 495,133,078.20 and 215,297,462.80 is: 322,946,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,088,718.80 : 495,133,078.20 = 215,297,462.80 : x
  2. Step 2: Convert to fraction form
    330,088,718.80/495,133,078.20 = 215,297,462.80/x
  3. Step 3: Cross multiply
    330,088,718.80x = 495,133,078.20 × 215,297,462.80
  4. Step 4: Simplify right side
    330,088,718.80x = 106,600,895,484,814,000
  5. Step 5: Solve for x
    x = 106,600,895,484,814,000/330,088,718.80
  6. Step 6: Final answer
    x = 322,946,194.20

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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.