Home / 426,942,473.28-589,181,116.80-231,372,185.28

Finding the Fourth Proportional to 426,942,473.28, 589,181,116.80 and 231,372,185.28

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Solution

The fourth proportional to 426,942,473.28, 589,181,116.80 and 231,372,185.28 is: 319,293,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,942,473.28 : 589,181,116.80 = 231,372,185.28 : x
  2. Step 2: Convert to fraction form
    426,942,473.28/589,181,116.80 = 231,372,185.28/x
  3. Step 3: Cross multiply
    426,942,473.28x = 589,181,116.80 × 231,372,185.28
  4. Step 4: Simplify right side
    426,942,473.28x = 136,320,122,519,726,912
  5. Step 5: Solve for x
    x = 136,320,122,519,726,912/426,942,473.28
  6. Step 6: Final answer
    x = 319,293,888.64

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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.