Home / 3,186,875,215.47-4,780,321,791.33-1,222,330,485.84

Finding the Fourth Proportional to 3,186,875,215.47, 4,780,321,791.33 and 1,222,330,485.84

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Solution

The fourth proportional to 3,186,875,215.47, 4,780,321,791.33 and 1,222,330,485.84 is: 1,833,499,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,875,215.47 : 4,780,321,791.33 = 1,222,330,485.84 : x
  2. Step 2: Convert to fraction form
    3,186,875,215.47/4,780,321,791.33 = 1,222,330,485.84/x
  3. Step 3: Cross multiply
    3,186,875,215.47x = 4,780,321,791.33 × 1,222,330,485.84
  4. Step 4: Simplify right side
    3,186,875,215.47x = 5,843,133,057,654,772,736
  5. Step 5: Solve for x
    x = 5,843,133,057,654,772,736/3,186,875,215.47
  6. Step 6: Final answer
    x = 1,833,499,168.49

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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.