Home / 663,552,023.70-995,328,035.55-639,365,553.30

Finding the Fourth Proportional to 663,552,023.70, 995,328,035.55 and 639,365,553.30

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Solution

The fourth proportional to 663,552,023.70, 995,328,035.55 and 639,365,553.30 is: 959,048,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,023.70 : 995,328,035.55 = 639,365,553.30 : x
  2. Step 2: Convert to fraction form
    663,552,023.70/995,328,035.55 = 639,365,553.30/x
  3. Step 3: Cross multiply
    663,552,023.70x = 995,328,035.55 × 639,365,553.30
  4. Step 4: Simplify right side
    663,552,023.70x = 636,378,460,164,427,776
  5. Step 5: Solve for x
    x = 636,378,460,164,427,776/663,552,023.70
  6. Step 6: Final answer
    x = 959,048,329.95

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Double scale
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Similar ratio
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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.