Home / 663,552,026.70-995,328,040.05-639,365,556.30

Finding the Fourth Proportional to 663,552,026.70, 995,328,040.05 and 639,365,556.30

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Solution

The fourth proportional to 663,552,026.70, 995,328,040.05 and 639,365,556.30 is: 959,048,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,026.70 : 995,328,040.05 = 639,365,556.30 : x
  2. Step 2: Convert to fraction form
    663,552,026.70/995,328,040.05 = 639,365,556.30/x
  3. Step 3: Cross multiply
    663,552,026.70x = 995,328,040.05 × 639,365,556.30
  4. Step 4: Simplify right side
    663,552,026.70x = 636,378,466,027,556,864
  5. Step 5: Solve for x
    x = 636,378,466,027,556,864/663,552,026.70
  6. Step 6: Final answer
    x = 959,048,334.45

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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.