Home / 2,821,693,457.45-3,890,322,234.60-2,311,175,452.17

Finding the Fourth Proportional to 2,821,693,457.45, 3,890,322,234.60 and 2,311,175,452.17

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Solution

The fourth proportional to 2,821,693,457.45, 3,890,322,234.60 and 2,311,175,452.17 is: 3,186,461,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,693,457.45 : 3,890,322,234.60 = 2,311,175,452.17 : x
  2. Step 2: Convert to fraction form
    2,821,693,457.45/3,890,322,234.60 = 2,311,175,452.17/x
  3. Step 3: Cross multiply
    2,821,693,457.45x = 3,890,322,234.60 × 2,311,175,452.17
  4. Step 4: Simplify right side
    2,821,693,457.45x = 8,991,217,249,638,660,096
  5. Step 5: Solve for x
    x = 8,991,217,249,638,660,096/2,821,693,457.45
  6. Step 6: Final answer
    x = 3,186,461,387.54

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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.