Home / 12,405,958,746-18,609,100,208.44-4,124,845,793.68

Finding the Fourth Proportional to 12,405,958,746, 18,609,100,208.44 and 4,124,845,793.68

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Solution

The fourth proportional to 12,405,958,746, 18,609,100,208.44 and 4,124,845,793.68 is: 6,187,322,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,958,746 : 18,609,100,208.44 = 4,124,845,793.68 : x
  2. Step 2: Convert to fraction form
    12,405,958,746/18,609,100,208.44 = 4,124,845,793.68/x
  3. Step 3: Cross multiply
    12,405,958,746x = 18,609,100,208.44 × 4,124,845,793.68
  4. Step 4: Simplify right side
    12,405,958,746x = 76,759,668,718,953,332,736
  5. Step 5: Solve for x
    x = 76,759,668,718,953,332,736/12,405,958,746
  6. Step 6: Final answer
    x = 6,187,322,583.49

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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.