Home / 2,200,305,655.80-3,299,324,742.90-819,409,361.40

Finding the Fourth Proportional to 2,200,305,655.80, 3,299,324,742.90 and 819,409,361.40

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Solution

The fourth proportional to 2,200,305,655.80, 3,299,324,742.90 and 819,409,361.40 is: 1,228,691,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,305,655.80 : 3,299,324,742.90 = 819,409,361.40 : x
  2. Step 2: Convert to fraction form
    2,200,305,655.80/3,299,324,742.90 = 819,409,361.40/x
  3. Step 3: Cross multiply
    2,200,305,655.80x = 3,299,324,742.90 × 819,409,361.40
  4. Step 4: Simplify right side
    2,200,305,655.80x = 2,703,497,580,630,908,416
  5. Step 5: Solve for x
    x = 2,703,497,580,630,908,416/2,200,305,655.80
  6. Step 6: Final answer
    x = 1,228,691,829.02

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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.