Home / 392,794,692.46-589,153,781.43-159,639,383.86

Finding the Fourth Proportional to 392,794,692.46, 589,153,781.43 and 159,639,383.86

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Solution

The fourth proportional to 392,794,692.46, 589,153,781.43 and 159,639,383.86 is: 239,443,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,794,692.46 : 589,153,781.43 = 159,639,383.86 : x
  2. Step 2: Convert to fraction form
    392,794,692.46/589,153,781.43 = 159,639,383.86/x
  3. Step 3: Cross multiply
    392,794,692.46x = 589,153,781.43 × 159,639,383.86
  4. Step 4: Simplify right side
    392,794,692.46x = 94,052,146,666,274,304
  5. Step 5: Solve for x
    x = 94,052,146,666,274,304/392,794,692.46
  6. Step 6: Final answer
    x = 239,443,527.30

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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.