Home / 2,153,885,676.42-3,231,162,559.77-910,321,375.89

Finding the Fourth Proportional to 2,153,885,676.42, 3,231,162,559.77 and 910,321,375.89

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Solution

The fourth proportional to 2,153,885,676.42, 3,231,162,559.77 and 910,321,375.89 is: 1,365,623,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,885,676.42 : 3,231,162,559.77 = 910,321,375.89 : x
  2. Step 2: Convert to fraction form
    2,153,885,676.42/3,231,162,559.77 = 910,321,375.89/x
  3. Step 3: Cross multiply
    2,153,885,676.42x = 3,231,162,559.77 × 910,321,375.89
  4. Step 4: Simplify right side
    2,153,885,676.42x = 2,941,396,347,142,829,568
  5. Step 5: Solve for x
    x = 2,941,396,347,142,829,568/2,153,885,676.42
  6. Step 6: Final answer
    x = 1,365,623,245.16

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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.