Home / 6,388,348,511.80-9,582,522,767.70-5,299,957,343.80

Finding the Fourth Proportional to 6,388,348,511.80, 9,582,522,767.70 and 5,299,957,343.80

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Solution

The fourth proportional to 6,388,348,511.80, 9,582,522,767.70 and 5,299,957,343.80 is: 7,949,936,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,348,511.80 : 9,582,522,767.70 = 5,299,957,343.80 : x
  2. Step 2: Convert to fraction form
    6,388,348,511.80/9,582,522,767.70 = 5,299,957,343.80/x
  3. Step 3: Cross multiply
    6,388,348,511.80x = 9,582,522,767.70 × 5,299,957,343.80
  4. Step 4: Simplify right side
    6,388,348,511.80x = 50,786,961,914,802,323,456
  5. Step 5: Solve for x
    x = 50,786,961,914,802,323,456/6,388,348,511.80
  6. Step 6: Final answer
    x = 7,949,936,015.70

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Double scale
Find fourth proportional to 6,388,348,512.80, 9,582,522,769.20 and 5,299,957,344.80
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.