Home / 501,367,362.50-691,889,467.11-313,304,859.61

Finding the Fourth Proportional to 501,367,362.50, 691,889,467.11 and 313,304,859.61

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Solution

The fourth proportional to 501,367,362.50, 691,889,467.11 and 313,304,859.61 is: 432,362,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,367,362.50 : 691,889,467.11 = 313,304,859.61 : x
  2. Step 2: Convert to fraction form
    501,367,362.50/691,889,467.11 = 313,304,859.61/x
  3. Step 3: Cross multiply
    501,367,362.50x = 691,889,467.11 × 313,304,859.61
  4. Step 4: Simplify right side
    501,367,362.50x = 216,772,332,355,076,832
  5. Step 5: Solve for x
    x = 216,772,332,355,076,832/501,367,362.50
  6. Step 6: Final answer
    x = 432,362,272.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.