Home / 13,320,912,805.28-19,981,403,272.24-3,372,357,580.64

Finding the Fourth Proportional to 13,320,912,805.28, 19,981,403,272.24 and 3,372,357,580.64

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Solution

The fourth proportional to 13,320,912,805.28, 19,981,403,272.24 and 3,372,357,580.64 is: 5,058,544,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,912,805.28 : 19,981,403,272.24 = 3,372,357,580.64 : x
  2. Step 2: Convert to fraction form
    13,320,912,805.28/19,981,403,272.24 = 3,372,357,580.64/x
  3. Step 3: Cross multiply
    13,320,912,805.28x = 19,981,403,272.24 × 3,372,357,580.64
  4. Step 4: Simplify right side
    13,320,912,805.28x = 67,384,436,796,963,471,360
  5. Step 5: Solve for x
    x = 67,384,436,796,963,471,360/13,320,912,805.28
  6. Step 6: Final answer
    x = 5,058,544,994.77

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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.