Home / 329,792,004.80-494,688,007.20-209,158,251.20

Finding the Fourth Proportional to 329,792,004.80, 494,688,007.20 and 209,158,251.20

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Solution

The fourth proportional to 329,792,004.80, 494,688,007.20 and 209,158,251.20 is: 313,737,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,792,004.80 : 494,688,007.20 = 209,158,251.20 : x
  2. Step 2: Convert to fraction form
    329,792,004.80/494,688,007.20 = 209,158,251.20/x
  3. Step 3: Cross multiply
    329,792,004.80x = 494,688,007.20 × 209,158,251.20
  4. Step 4: Simplify right side
    329,792,004.80x = 103,468,078,475,565,008
  5. Step 5: Solve for x
    x = 103,468,078,475,565,008/329,792,004.80
  6. Step 6: Final answer
    x = 313,737,376.80

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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.