Home / 3,090,786,999.20-4,636,404,447.60-1,861,308,087.20

Finding the Fourth Proportional to 3,090,786,999.20, 4,636,404,447.60 and 1,861,308,087.20

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Solution

The fourth proportional to 3,090,786,999.20, 4,636,404,447.60 and 1,861,308,087.20 is: 2,792,096,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,786,999.20 : 4,636,404,447.60 = 1,861,308,087.20 : x
  2. Step 2: Convert to fraction form
    3,090,786,999.20/4,636,404,447.60 = 1,861,308,087.20/x
  3. Step 3: Cross multiply
    3,090,786,999.20x = 4,636,404,447.60 × 1,861,308,087.20
  4. Step 4: Simplify right side
    3,090,786,999.20x = 8,629,777,093,847,929,856
  5. Step 5: Solve for x
    x = 8,629,777,093,847,929,856/3,090,786,999.20
  6. Step 6: Final answer
    x = 2,792,096,995.39

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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.