Home / 413,359,871.89-619,824,512.72-194,951,571.22

Finding the Fourth Proportional to 413,359,871.89, 619,824,512.72 and 194,951,571.22

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Solution

The fourth proportional to 413,359,871.89, 619,824,512.72 and 194,951,571.22 is: 292,325,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,359,871.89 : 619,824,512.72 = 194,951,571.22 : x
  2. Step 2: Convert to fraction form
    413,359,871.89/619,824,512.72 = 194,951,571.22/x
  3. Step 3: Cross multiply
    413,359,871.89x = 619,824,512.72 × 194,951,571.22
  4. Step 4: Simplify right side
    413,359,871.89x = 120,835,762,632,335,760
  5. Step 5: Solve for x
    x = 120,835,762,632,335,760/413,359,871.89
  6. Step 6: Final answer
    x = 292,325,817.89

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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.