Home / 427,139,592.87-589,475,524.92-238,956,660.75

Finding the Fourth Proportional to 427,139,592.87, 589,475,524.92 and 238,956,660.75

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Solution

The fourth proportional to 427,139,592.87, 589,475,524.92 and 238,956,660.75 is: 329,772,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,139,592.87 : 589,475,524.92 = 238,956,660.75 : x
  2. Step 2: Convert to fraction form
    427,139,592.87/589,475,524.92 = 238,956,660.75/x
  3. Step 3: Cross multiply
    427,139,592.87x = 589,475,524.92 × 238,956,660.75
  4. Step 4: Simplify right side
    427,139,592.87x = 140,859,103,028,736,608
  5. Step 5: Solve for x
    x = 140,859,103,028,736,608/427,139,592.87
  6. Step 6: Final answer
    x = 329,772,995.48

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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.