Home / 330,088,684.30-495,133,026.45-215,297,428.30

Finding the Fourth Proportional to 330,088,684.30, 495,133,026.45 and 215,297,428.30

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Solution

The fourth proportional to 330,088,684.30, 495,133,026.45 and 215,297,428.30 is: 322,946,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,088,684.30 : 495,133,026.45 = 215,297,428.30 : x
  2. Step 2: Convert to fraction form
    330,088,684.30/495,133,026.45 = 215,297,428.30/x
  3. Step 3: Cross multiply
    330,088,684.30x = 495,133,026.45 × 215,297,428.30
  4. Step 4: Simplify right side
    330,088,684.30x = 106,600,867,261,080,880
  5. Step 5: Solve for x
    x = 106,600,867,261,080,880/330,088,684.30
  6. Step 6: Final answer
    x = 322,946,142.45

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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.