Home / 330,616,812.87-495,618,201.38-146,285,837.70

Finding the Fourth Proportional to 330,616,812.87, 495,618,201.38 and 146,285,837.70

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Solution

The fourth proportional to 330,616,812.87, 495,618,201.38 and 146,285,837.70 is: 219,292,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,616,812.87 : 495,618,201.38 = 146,285,837.70 : x
  2. Step 2: Convert to fraction form
    330,616,812.87/495,618,201.38 = 146,285,837.70/x
  3. Step 3: Cross multiply
    330,616,812.87x = 495,618,201.38 × 146,285,837.70
  4. Step 4: Simplify right side
    330,616,812.87x = 72,501,923,767,509,168
  5. Step 5: Solve for x
    x = 72,501,923,767,509,168/330,616,812.87
  6. Step 6: Final answer
    x = 219,292,912.35

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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.