Home / 6,388,348,510.80-9,582,522,766.20-5,299,957,342.80

Finding the Fourth Proportional to 6,388,348,510.80, 9,582,522,766.20 and 5,299,957,342.80

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Solution

The fourth proportional to 6,388,348,510.80, 9,582,522,766.20 and 5,299,957,342.80 is: 7,949,936,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,348,510.80 : 9,582,522,766.20 = 5,299,957,342.80 : x
  2. Step 2: Convert to fraction form
    6,388,348,510.80/9,582,522,766.20 = 5,299,957,342.80/x
  3. Step 3: Cross multiply
    6,388,348,510.80x = 9,582,522,766.20 × 5,299,957,342.80
  4. Step 4: Simplify right side
    6,388,348,510.80x = 50,786,961,897,269,862,400
  5. Step 5: Solve for x
    x = 50,786,961,897,269,862,400/6,388,348,510.80
  6. Step 6: Final answer
    x = 7,949,936,014.20

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Double scale
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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.