Home / 13,901,517,831.82-19,188,177,369.96-9,079,619,968.84

Finding the Fourth Proportional to 13,901,517,831.82, 19,188,177,369.96 and 9,079,619,968.84

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Solution

The fourth proportional to 13,901,517,831.82, 19,188,177,369.96 and 9,079,619,968.84 is: 12,532,542,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901,517,831.82 : 19,188,177,369.96 = 9,079,619,968.84 : x
  2. Step 2: Convert to fraction form
    13,901,517,831.82/19,188,177,369.96 = 9,079,619,968.84/x
  3. Step 3: Cross multiply
    13,901,517,831.82x = 19,188,177,369.96 × 9,079,619,968.84
  4. Step 4: Simplify right side
    13,901,517,831.82x = 174,221,358,413,932,593,152
  5. Step 5: Solve for x
    x = 174,221,358,413,932,593,152/13,901,517,831.82
  6. Step 6: Final answer
    x = 12,532,542,167.10

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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.