Home / 20,507,904,136.80-30,761,856,205.20-13,614,760,072.80

Finding the Fourth Proportional to 20,507,904,136.80, 30,761,856,205.20 and 13,614,760,072.80

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Solution

The fourth proportional to 20,507,904,136.80, 30,761,856,205.20 and 13,614,760,072.80 is: 20,422,140,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,507,904,136.80 : 30,761,856,205.20 = 13,614,760,072.80 : x
  2. Step 2: Convert to fraction form
    20,507,904,136.80/30,761,856,205.20 = 13,614,760,072.80/x
  3. Step 3: Cross multiply
    20,507,904,136.80x = 30,761,856,205.20 × 13,614,760,072.80
  4. Step 4: Simplify right side
    20,507,904,136.80x = 418,815,291,627,771,854,848
  5. Step 5: Solve for x
    x = 418,815,291,627,771,854,848/20,507,904,136.80
  6. Step 6: Final answer
    x = 20,422,140,109.20

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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.