Home / 639,738,083.55-959,607,125.33-523,511,936.85

Finding the Fourth Proportional to 639,738,083.55, 959,607,125.33 and 523,511,936.85

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Solution

The fourth proportional to 639,738,083.55, 959,607,125.33 and 523,511,936.85 is: 785,267,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,083.55 : 959,607,125.33 = 523,511,936.85 : x
  2. Step 2: Convert to fraction form
    639,738,083.55/959,607,125.33 = 523,511,936.85/x
  3. Step 3: Cross multiply
    639,738,083.55x = 959,607,125.33 × 523,511,936.85
  4. Step 4: Simplify right side
    639,738,083.55x = 502,365,784,793,951,488
  5. Step 5: Solve for x
    x = 502,365,784,793,951,488/639,738,083.55
  6. Step 6: Final answer
    x = 785,267,905.28

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Double scale
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Similar ratio
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1.5x scale

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.