Home / 345,080,388,803.20-517,677,914,097.60-135,707,968,297.60

Finding the Fourth Proportional to 345,080,388,803.20, 517,677,914,097.60 and 135,707,968,297.60

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Solution

The fourth proportional to 345,080,388,803.20, 517,677,914,097.60 and 135,707,968,297.60 is: 203,584,498,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,080,388,803.20 : 517,677,914,097.60 = 135,707,968,297.60 : x
  2. Step 2: Convert to fraction form
    345,080,388,803.20/517,677,914,097.60 = 135,707,968,297.60/x
  3. Step 3: Cross multiply
    345,080,388,803.20x = 517,677,914,097.60 × 135,707,968,297.60
  4. Step 4: Simplify right side
    345,080,388,803.20x = 70,253,017,954,724,794,597,376
  5. Step 5: Solve for x
    x = 70,253,017,954,724,794,597,376/345,080,388,803.20
  6. Step 6: Final answer
    x = 203,584,498,668.19

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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.