Home / 426,942,529.28-589,181,194.08-231,372,241.28

Finding the Fourth Proportional to 426,942,529.28, 589,181,194.08 and 231,372,241.28

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Solution

The fourth proportional to 426,942,529.28, 589,181,194.08 and 231,372,241.28 is: 319,293,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,942,529.28 : 589,181,194.08 = 231,372,241.28 : x
  2. Step 2: Convert to fraction form
    426,942,529.28/589,181,194.08 = 231,372,241.28/x
  3. Step 3: Cross multiply
    426,942,529.28x = 589,181,194.08 × 231,372,241.28
  4. Step 4: Simplify right side
    426,942,529.28x = 136,320,173,394,316,272
  5. Step 5: Solve for x
    x = 136,320,173,394,316,272/426,942,529.28
  6. Step 6: Final answer
    x = 319,293,965.92

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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.