Home / 11,147,245,187.12-16,698,802,868.31-9,749,807,376.41

Finding the Fourth Proportional to 11,147,245,187.12, 16,698,802,868.31 and 9,749,807,376.41

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Solution

The fourth proportional to 11,147,245,187.12, 16,698,802,868.31 and 9,749,807,376.41 is: 14,605,412,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147,245,187.12 : 16,698,802,868.31 = 9,749,807,376.41 : x
  2. Step 2: Convert to fraction form
    11,147,245,187.12/16,698,802,868.31 = 9,749,807,376.41/x
  3. Step 3: Cross multiply
    11,147,245,187.12x = 16,698,802,868.31 × 9,749,807,376.41
  4. Step 4: Simplify right side
    11,147,245,187.12x = 162,810,111,382,665,297,920
  5. Step 5: Solve for x
    x = 162,810,111,382,665,297,920/11,147,245,187.12
  6. Step 6: Final answer
    x = 14,605,412,247.57

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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.