Home / 5,718,650,936.25-8,573,063,576.34-1,987,457,566.56

Finding the Fourth Proportional to 5,718,650,936.25, 8,573,063,576.34 and 1,987,457,566.56

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Solution

The fourth proportional to 5,718,650,936.25, 8,573,063,576.34 and 1,987,457,566.56 is: 2,979,478,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,650,936.25 : 8,573,063,576.34 = 1,987,457,566.56 : x
  2. Step 2: Convert to fraction form
    5,718,650,936.25/8,573,063,576.34 = 1,987,457,566.56/x
  3. Step 3: Cross multiply
    5,718,650,936.25x = 8,573,063,576.34 × 1,987,457,566.56
  4. Step 4: Simplify right side
    5,718,650,936.25x = 17,038,600,073,396,867,072
  5. Step 5: Solve for x
    x = 17,038,600,073,396,867,072/5,718,650,936.25
  6. Step 6: Final answer
    x = 2,979,478,947.63

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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.