Home / 275,320,190,486.70-412,980,285,730.05-163,467,590,640.30

Finding the Fourth Proportional to 275,320,190,486.70, 412,980,285,730.05 and 163,467,590,640.30

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Solution

The fourth proportional to 275,320,190,486.70, 412,980,285,730.05 and 163,467,590,640.30 is: 245,201,385,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,320,190,486.70 : 412,980,285,730.05 = 163,467,590,640.30 : x
  2. Step 2: Convert to fraction form
    275,320,190,486.70/412,980,285,730.05 = 163,467,590,640.30/x
  3. Step 3: Cross multiply
    275,320,190,486.70x = 412,980,285,730.05 × 163,467,590,640.30
  4. Step 4: Simplify right side
    275,320,190,486.70x = 67,508,892,290,233,934,020,608
  5. Step 5: Solve for x
    x = 67,508,892,290,233,934,020,608/275,320,190,486.70
  6. Step 6: Final answer
    x = 245,201,385,960.45

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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.