Home / 6,257,491,215.40-9,387,370,563.90-3,144,238,978.60

Finding the Fourth Proportional to 6,257,491,215.40, 9,387,370,563.90 and 3,144,238,978.60

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Solution

The fourth proportional to 6,257,491,215.40, 9,387,370,563.90 and 3,144,238,978.60 is: 4,716,928,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257,491,215.40 : 9,387,370,563.90 = 3,144,238,978.60 : x
  2. Step 2: Convert to fraction form
    6,257,491,215.40/9,387,370,563.90 = 3,144,238,978.60/x
  3. Step 3: Cross multiply
    6,257,491,215.40x = 9,387,370,563.90 × 3,144,238,978.60
  4. Step 4: Simplify right side
    6,257,491,215.40x = 29,516,136,433,576,640,512
  5. Step 5: Solve for x
    x = 29,516,136,433,576,640,512/6,257,491,215.40
  6. Step 6: Final answer
    x = 4,716,928,145.41

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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.