Home / 8,856,519,100.80-13,286,794,190.40-5,174,128,982.40

Finding the Fourth Proportional to 8,856,519,100.80, 13,286,794,190.40 and 5,174,128,982.40

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Solution

The fourth proportional to 8,856,519,100.80, 13,286,794,190.40 and 5,174,128,982.40 is: 7,762,370,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856,519,100.80 : 13,286,794,190.40 = 5,174,128,982.40 : x
  2. Step 2: Convert to fraction form
    8,856,519,100.80/13,286,794,190.40 = 5,174,128,982.40/x
  3. Step 3: Cross multiply
    8,856,519,100.80x = 13,286,794,190.40 × 5,174,128,982.40
  4. Step 4: Simplify right side
    8,856,519,100.80x = 68,747,586,903,732,576,256
  5. Step 5: Solve for x
    x = 68,747,586,903,732,576,256/8,856,519,100.80
  6. Step 6: Final answer
    x = 7,762,370,985.86

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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.