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Finding the Fourth Proportional to 220,030,532, 303,651,582 and 122,245,388

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Solution

The fourth proportional to 220,030,532, 303,651,582 and 122,245,388 is: 168,703,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,030,532 : 303,651,582 = 122,245,388 : x
  2. Step 2: Convert to fraction form
    220,030,532/303,651,582 = 122,245,388/x
  3. Step 3: Cross multiply
    220,030,532x = 303,651,582 × 122,245,388
  4. Step 4: Simplify right side
    220,030,532x = 37,120,005,458,403,816
  5. Step 5: Solve for x
    x = 37,120,005,458,403,816/220,030,532
  6. Step 6: Final answer
    x = 168,703,884.51

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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.