Home / 639,528,546.44-959,384,328.34-196,908,676.68

Finding the Fourth Proportional to 639,528,546.44, 959,384,328.34 and 196,908,676.68

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Solution

The fourth proportional to 639,528,546.44, 959,384,328.34 and 196,908,676.68 is: 295,391,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,528,546.44 : 959,384,328.34 = 196,908,676.68 : x
  2. Step 2: Convert to fraction form
    639,528,546.44/959,384,328.34 = 196,908,676.68/x
  3. Step 3: Cross multiply
    639,528,546.44x = 959,384,328.34 × 196,908,676.68
  4. Step 4: Simplify right side
    639,528,546.44x = 188,911,098,520,960,032
  5. Step 5: Solve for x
    x = 188,911,098,520,960,032/639,528,546.44
  6. Step 6: Final answer
    x = 295,391,190.23

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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.