Home / 3,665,128,965.62-5,499,384,240.91-1,673,781,486.64

Finding the Fourth Proportional to 3,665,128,965.62, 5,499,384,240.91 and 1,673,781,486.64

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Solution

The fourth proportional to 3,665,128,965.62, 5,499,384,240.91 and 1,673,781,486.64 is: 2,511,444,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665,128,965.62 : 5,499,384,240.91 = 1,673,781,486.64 : x
  2. Step 2: Convert to fraction form
    3,665,128,965.62/5,499,384,240.91 = 1,673,781,486.64/x
  3. Step 3: Cross multiply
    3,665,128,965.62x = 5,499,384,240.91 × 1,673,781,486.64
  4. Step 4: Simplify right side
    3,665,128,965.62x = 9,204,767,530,354,927,616
  5. Step 5: Solve for x
    x = 9,204,767,530,354,927,616/3,665,128,965.62
  6. Step 6: Final answer
    x = 2,511,444,376.64

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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.