Home / 12,558,103,412.49-18,836,166,634.35-5,475,419,144.37

Finding the Fourth Proportional to 12,558,103,412.49, 18,836,166,634.35 and 5,475,419,144.37

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Solution

The fourth proportional to 12,558,103,412.49, 18,836,166,634.35 and 5,475,419,144.37 is: 8,212,697,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,103,412.49 : 18,836,166,634.35 = 5,475,419,144.37 : x
  2. Step 2: Convert to fraction form
    12,558,103,412.49/18,836,166,634.35 = 5,475,419,144.37/x
  3. Step 3: Cross multiply
    12,558,103,412.49x = 18,836,166,634.35 × 5,475,419,144.37
  4. Step 4: Simplify right side
    12,558,103,412.49x = 103,135,907,396,263,411,712
  5. Step 5: Solve for x
    x = 103,135,907,396,263,411,712/12,558,103,412.49
  6. Step 6: Final answer
    x = 8,212,697,730.59

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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.