Home / 6,679,388,393.85-9,220,694,229.82-3,859,450,845.24

Finding the Fourth Proportional to 6,679,388,393.85, 9,220,694,229.82 and 3,859,450,845.24

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Solution

The fourth proportional to 6,679,388,393.85, 9,220,694,229.82 and 3,859,450,845.24 is: 5,327,855,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679,388,393.85 : 9,220,694,229.82 = 3,859,450,845.24 : x
  2. Step 2: Convert to fraction form
    6,679,388,393.85/9,220,694,229.82 = 3,859,450,845.24/x
  3. Step 3: Cross multiply
    6,679,388,393.85x = 9,220,694,229.82 × 3,859,450,845.24
  4. Step 4: Simplify right side
    6,679,388,393.85x = 35,586,816,138,978,385,920
  5. Step 5: Solve for x
    x = 35,586,816,138,978,385,920/6,679,388,393.85
  6. Step 6: Final answer
    x = 5,327,855,492.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.