Home / 1,238,862,608.56-1,858,293,912.48-462,568,893.76

Finding the Fourth Proportional to 1,238,862,608.56, 1,858,293,912.48 and 462,568,893.76

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Solution

The fourth proportional to 1,238,862,608.56, 1,858,293,912.48 and 462,568,893.76 is: 693,853,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,862,608.56 : 1,858,293,912.48 = 462,568,893.76 : x
  2. Step 2: Convert to fraction form
    1,238,862,608.56/1,858,293,912.48 = 462,568,893.76/x
  3. Step 3: Cross multiply
    1,238,862,608.56x = 1,858,293,912.48 × 462,568,893.76
  4. Step 4: Simplify right side
    1,238,862,608.56x = 859,588,959,376,815,872
  5. Step 5: Solve for x
    x = 859,588,959,376,815,872/1,238,862,608.56
  6. Step 6: Final answer
    x = 693,853,340.51

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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.