Home / 330,498,842.30-495,730,323.10-100,449,990.82

Finding the Fourth Proportional to 330,498,842.30, 495,730,323.10 and 100,449,990.82

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Solution

The fourth proportional to 330,498,842.30, 495,730,323.10 and 100,449,990.82 is: 150,669,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,498,842.30 : 495,730,323.10 = 100,449,990.82 : x
  2. Step 2: Convert to fraction form
    330,498,842.30/495,730,323.10 = 100,449,990.82/x
  3. Step 3: Cross multiply
    330,498,842.30x = 495,730,323.10 × 100,449,990.82
  4. Step 4: Simplify right side
    330,498,842.30x = 49,796,106,403,378,328
  5. Step 5: Solve for x
    x = 49,796,106,403,378,328/330,498,842.30
  6. Step 6: Final answer
    x = 150,669,533.54

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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.