Home / 13,771,961,843.84-20,665,814,846.30-7,476,902,898.69

Finding the Fourth Proportional to 13,771,961,843.84, 20,665,814,846.30 and 7,476,902,898.69

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Solution

The fourth proportional to 13,771,961,843.84, 20,665,814,846.30 and 7,476,902,898.69 is: 11,219,628,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,961,843.84 : 20,665,814,846.30 = 7,476,902,898.69 : x
  2. Step 2: Convert to fraction form
    13,771,961,843.84/20,665,814,846.30 = 7,476,902,898.69/x
  3. Step 3: Cross multiply
    13,771,961,843.84x = 20,665,814,846.30 × 7,476,902,898.69
  4. Step 4: Simplify right side
    13,771,961,843.84x = 154,516,290,928,150,740,992
  5. Step 5: Solve for x
    x = 154,516,290,928,150,740,992/13,771,961,843.84
  6. Step 6: Final answer
    x = 11,219,628,160.47

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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.