Home / 1,729,843,179.32-2,387,222,132.46-987,272,342.84

Finding the Fourth Proportional to 1,729,843,179.32, 2,387,222,132.46 and 987,272,342.84

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Solution

The fourth proportional to 1,729,843,179.32, 2,387,222,132.46 and 987,272,342.84 is: 1,362,457,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,843,179.32 : 2,387,222,132.46 = 987,272,342.84 : x
  2. Step 2: Convert to fraction form
    1,729,843,179.32/2,387,222,132.46 = 987,272,342.84/x
  3. Step 3: Cross multiply
    1,729,843,179.32x = 2,387,222,132.46 × 987,272,342.84
  4. Step 4: Simplify right side
    1,729,843,179.32x = 2,356,838,387,593,285,120
  5. Step 5: Solve for x
    x = 2,356,838,387,593,285,120/1,729,843,179.32
  6. Step 6: Final answer
    x = 1,362,457,831.88

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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.