Home / 3,186,422,865.12-4,776,908,083.92-1,222,685,173.92

Finding the Fourth Proportional to 3,186,422,865.12, 4,776,908,083.92 and 1,222,685,173.92

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Solution

The fourth proportional to 3,186,422,865.12, 4,776,908,083.92 and 1,222,685,173.92 is: 1,832,981,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,422,865.12 : 4,776,908,083.92 = 1,222,685,173.92 : x
  2. Step 2: Convert to fraction form
    3,186,422,865.12/4,776,908,083.92 = 1,222,685,173.92/x
  3. Step 3: Cross multiply
    3,186,422,865.12x = 4,776,908,083.92 × 1,222,685,173.92
  4. Step 4: Simplify right side
    3,186,422,865.12x = 5,840,654,691,387,579,392
  5. Step 5: Solve for x
    x = 5,840,654,691,387,579,392/3,186,422,865.12
  6. Step 6: Final answer
    x = 1,832,981,665.84

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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.