Home / 308,097,078,208.20-425,174,468,104.22-170,919,907,989.29

Finding the Fourth Proportional to 308,097,078,208.20, 425,174,468,104.22 and 170,919,907,989.29

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Solution

The fourth proportional to 308,097,078,208.20, 425,174,468,104.22 and 170,919,907,989.29 is: 235,869,750,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,097,078,208.20 : 425,174,468,104.22 = 170,919,907,989.29 : x
  2. Step 2: Convert to fraction form
    308,097,078,208.20/425,174,468,104.22 = 170,919,907,989.29/x
  3. Step 3: Cross multiply
    308,097,078,208.20x = 425,174,468,104.22 × 170,919,907,989.29
  4. Step 4: Simplify right side
    308,097,078,208.20x = 72,670,780,967,768,597,463,040
  5. Step 5: Solve for x
    x = 72,670,780,967,768,597,463,040/308,097,078,208.20
  6. Step 6: Final answer
    x = 235,869,750,503.32

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1.5x scale

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.