Home / 7,978,464,869.76-11,011,375,204.56-4,591,304,588.16

Finding the Fourth Proportional to 7,978,464,869.76, 11,011,375,204.56 and 4,591,304,588.16

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Solution

The fourth proportional to 7,978,464,869.76, 11,011,375,204.56 and 4,591,304,588.16 is: 6,336,629,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,464,869.76 : 11,011,375,204.56 = 4,591,304,588.16 : x
  2. Step 2: Convert to fraction form
    7,978,464,869.76/11,011,375,204.56 = 4,591,304,588.16/x
  3. Step 3: Cross multiply
    7,978,464,869.76x = 11,011,375,204.56 × 4,591,304,588.16
  4. Step 4: Simplify right side
    7,978,464,869.76x = 50,556,577,498,647,584,768
  5. Step 5: Solve for x
    x = 50,556,577,498,647,584,768/7,978,464,869.76
  6. Step 6: Final answer
    x = 6,336,629,705.58

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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.