Home / 331,485,661.20-497,228,491.80-202,345,498.20

Finding the Fourth Proportional to 331,485,661.20, 497,228,491.80 and 202,345,498.20

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Solution

The fourth proportional to 331,485,661.20, 497,228,491.80 and 202,345,498.20 is: 303,518,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,485,661.20 : 497,228,491.80 = 202,345,498.20 : x
  2. Step 2: Convert to fraction form
    331,485,661.20/497,228,491.80 = 202,345,498.20/x
  3. Step 3: Cross multiply
    331,485,661.20x = 497,228,491.80 × 202,345,498.20
  4. Step 4: Simplify right side
    331,485,661.20x = 100,611,946,892,505,616
  5. Step 5: Solve for x
    x = 100,611,946,892,505,616/331,485,661.20
  6. Step 6: Final answer
    x = 303,518,247.30

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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.