Home / 347,796,007.80-521,694,011.70-330,789,895.80

Finding the Fourth Proportional to 347,796,007.80, 521,694,011.70 and 330,789,895.80

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Solution

The fourth proportional to 347,796,007.80, 521,694,011.70 and 330,789,895.80 is: 496,184,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,796,007.80 : 521,694,011.70 = 330,789,895.80 : x
  2. Step 2: Convert to fraction form
    347,796,007.80/521,694,011.70 = 330,789,895.80/x
  3. Step 3: Cross multiply
    347,796,007.80x = 521,694,011.70 × 330,789,895.80
  4. Step 4: Simplify right side
    347,796,007.80x = 172,571,107,769,726,976
  5. Step 5: Solve for x
    x = 172,571,107,769,726,976/347,796,007.80
  6. Step 6: Final answer
    x = 496,184,843.70

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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.