Home / 307,152,002.80-460,728,004.20-203,839,872.40

Finding the Fourth Proportional to 307,152,002.80, 460,728,004.20 and 203,839,872.40

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Solution

The fourth proportional to 307,152,002.80, 460,728,004.20 and 203,839,872.40 is: 305,759,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,152,002.80 : 460,728,004.20 = 203,839,872.40 : x
  2. Step 2: Convert to fraction form
    307,152,002.80/460,728,004.20 = 203,839,872.40/x
  3. Step 3: Cross multiply
    307,152,002.80x = 460,728,004.20 × 203,839,872.40
  4. Step 4: Simplify right side
    307,152,002.80x = 93,914,737,587,234,672
  5. Step 5: Solve for x
    x = 93,914,737,587,234,672/307,152,002.80
  6. Step 6: Final answer
    x = 305,759,808.60

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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.