Home / 1,150,404,245.82-1,725,679,011.96-486,294,429.60

Finding the Fourth Proportional to 1,150,404,245.82, 1,725,679,011.96 and 486,294,429.60

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Solution

The fourth proportional to 1,150,404,245.82, 1,725,679,011.96 and 486,294,429.60 is: 729,472,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,404,245.82 : 1,725,679,011.96 = 486,294,429.60 : x
  2. Step 2: Convert to fraction form
    1,150,404,245.82/1,725,679,011.96 = 486,294,429.60/x
  3. Step 3: Cross multiply
    1,150,404,245.82x = 1,725,679,011.96 × 486,294,429.60
  4. Step 4: Simplify right side
    1,150,404,245.82x = 839,188,090,793,779,840
  5. Step 5: Solve for x
    x = 839,188,090,793,779,840/1,150,404,245.82
  6. Step 6: Final answer
    x = 729,472,351.86

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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.