Home / 20,968,797,089.46-28,936,748,302.95-11,453,345,984.46

Finding the Fourth Proportional to 20,968,797,089.46, 28,936,748,302.95 and 11,453,345,984.46

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Solution

The fourth proportional to 20,968,797,089.46, 28,936,748,302.95 and 11,453,345,984.46 is: 15,805,512,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968,797,089.46 : 28,936,748,302.95 = 11,453,345,984.46 : x
  2. Step 2: Convert to fraction form
    20,968,797,089.46/28,936,748,302.95 = 11,453,345,984.46/x
  3. Step 3: Cross multiply
    20,968,797,089.46x = 28,936,748,302.95 × 11,453,345,984.46
  4. Step 4: Simplify right side
    20,968,797,089.46x = 331,422,589,978,922,057,728
  5. Step 5: Solve for x
    x = 331,422,589,978,922,057,728/20,968,797,089.46
  6. Step 6: Final answer
    x = 15,805,512,760.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.