Home / 639,432,169.14-959,182,126.98-197,078,675.41

Finding the Fourth Proportional to 639,432,169.14, 959,182,126.98 and 197,078,675.41

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Solution

The fourth proportional to 639,432,169.14, 959,182,126.98 and 197,078,675.41 is: 295,628,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,432,169.14 : 959,182,126.98 = 197,078,675.41 : x
  2. Step 2: Convert to fraction form
    639,432,169.14/959,182,126.98 = 197,078,675.41/x
  3. Step 3: Cross multiply
    639,432,169.14x = 959,182,126.98 × 197,078,675.41
  4. Step 4: Simplify right side
    639,432,169.14x = 189,034,343,059,766,880
  5. Step 5: Solve for x
    x = 189,034,343,059,766,880/639,432,169.14
  6. Step 6: Final answer
    x = 295,628,453.15

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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.