Home / 18,588,185,561.70-27,890,512,135.20-9,742,922,323.38

Finding the Fourth Proportional to 18,588,185,561.70, 27,890,512,135.20 and 9,742,922,323.38

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Solution

The fourth proportional to 18,588,185,561.70, 27,890,512,135.20 and 9,742,922,323.38 is: 14,618,699,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,185,561.70 : 27,890,512,135.20 = 9,742,922,323.38 : x
  2. Step 2: Convert to fraction form
    18,588,185,561.70/27,890,512,135.20 = 9,742,922,323.38/x
  3. Step 3: Cross multiply
    18,588,185,561.70x = 27,890,512,135.20 × 9,742,922,323.38
  4. Step 4: Simplify right side
    18,588,185,561.70x = 271,735,093,292,540,854,272
  5. Step 5: Solve for x
    x = 271,735,093,292,540,854,272/18,588,185,561.70
  6. Step 6: Final answer
    x = 14,618,699,194.20

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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.