Home / 2,165,391,299.28-2,988,159,976.80-1,175,295,458.64

Finding the Fourth Proportional to 2,165,391,299.28, 2,988,159,976.80 and 1,175,295,458.64

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Solution

The fourth proportional to 2,165,391,299.28, 2,988,159,976.80 and 1,175,295,458.64 is: 1,621,864,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,391,299.28 : 2,988,159,976.80 = 1,175,295,458.64 : x
  2. Step 2: Convert to fraction form
    2,165,391,299.28/2,988,159,976.80 = 1,175,295,458.64/x
  3. Step 3: Cross multiply
    2,165,391,299.28x = 2,988,159,976.80 × 1,175,295,458.64
  4. Step 4: Simplify right side
    2,165,391,299.28x = 3,511,970,850,422,848,512
  5. Step 5: Solve for x
    x = 3,511,970,850,422,848,512/2,165,391,299.28
  6. Step 6: Final answer
    x = 1,621,864,303.04

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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.