Home / 1,227,600,120.75-1,694,088,846.22-663,084,999.46

Finding the Fourth Proportional to 1,227,600,120.75, 1,694,088,846.22 and 663,084,999.46

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Solution

The fourth proportional to 1,227,600,120.75, 1,694,088,846.22 and 663,084,999.46 is: 915,057,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,600,120.75 : 1,694,088,846.22 = 663,084,999.46 : x
  2. Step 2: Convert to fraction form
    1,227,600,120.75/1,694,088,846.22 = 663,084,999.46/x
  3. Step 3: Cross multiply
    1,227,600,120.75x = 1,694,088,846.22 × 663,084,999.46
  4. Step 4: Simplify right side
    1,227,600,120.75x = 1,123,324,901,682,638,592
  5. Step 5: Solve for x
    x = 1,123,324,901,682,638,592/1,227,600,120.75
  6. Step 6: Final answer
    x = 915,057,666.34

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Half scale
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Double scale
Find fourth proportional to 1,227,600,121.75, 1,694,088,847.60 and 663,085,000.46
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.