Home / 1,267,923,612.20-1,901,885,418.30-613,188,300.20

Finding the Fourth Proportional to 1,267,923,612.20, 1,901,885,418.30 and 613,188,300.20

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Solution

The fourth proportional to 1,267,923,612.20, 1,901,885,418.30 and 613,188,300.20 is: 919,782,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,923,612.20 : 1,901,885,418.30 = 613,188,300.20 : x
  2. Step 2: Convert to fraction form
    1,267,923,612.20/1,901,885,418.30 = 613,188,300.20/x
  3. Step 3: Cross multiply
    1,267,923,612.20x = 1,901,885,418.30 × 613,188,300.20
  4. Step 4: Simplify right side
    1,267,923,612.20x = 1,166,213,886,822,543,104
  5. Step 5: Solve for x
    x = 1,166,213,886,822,543,104/1,267,923,612.20
  6. Step 6: Final answer
    x = 919,782,450.30

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Half scale
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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.