Home / 639,566,189.06-959,440,667.38-196,946,257.46

Finding the Fourth Proportional to 639,566,189.06, 959,440,667.38 and 196,946,257.46

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Solution

The fourth proportional to 639,566,189.06, 959,440,667.38 and 196,946,257.46 is: 295,447,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,566,189.06 : 959,440,667.38 = 196,946,257.46 : x
  2. Step 2: Convert to fraction form
    639,566,189.06/959,440,667.38 = 196,946,257.46/x
  3. Step 3: Cross multiply
    639,566,189.06x = 959,440,667.38 × 196,946,257.46
  4. Step 4: Simplify right side
    639,566,189.06x = 188,958,248,690,126,144
  5. Step 5: Solve for x
    x = 188,958,248,690,126,144/639,566,189.06
  6. Step 6: Final answer
    x = 295,447,526.66

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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.