Home / 330,498,966.88-495,730,509.90-100,450,115.47

Finding the Fourth Proportional to 330,498,966.88, 495,730,509.90 and 100,450,115.47

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Solution

The fourth proportional to 330,498,966.88, 495,730,509.90 and 100,450,115.47 is: 150,669,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,498,966.88 : 495,730,509.90 = 100,450,115.47 : x
  2. Step 2: Convert to fraction form
    330,498,966.88/495,730,509.90 = 100,450,115.47/x
  3. Step 3: Cross multiply
    330,498,966.88x = 495,730,509.90 × 100,450,115.47
  4. Step 4: Simplify right side
    330,498,966.88x = 49,796,186,961,456,976
  5. Step 5: Solve for x
    x = 49,796,186,961,456,976/330,498,966.88
  6. Step 6: Final answer
    x = 150,669,720.49

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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.