Home / 13,192,724,699.33-18,205,971,816.42-7,171,230,103.26

Finding the Fourth Proportional to 13,192,724,699.33, 18,205,971,816.42 and 7,171,230,103.26

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Solution

The fourth proportional to 13,192,724,699.33, 18,205,971,816.42 and 7,171,230,103.26 is: 9,896,303,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,724,699.33 : 18,205,971,816.42 = 7,171,230,103.26 : x
  2. Step 2: Convert to fraction form
    13,192,724,699.33/18,205,971,816.42 = 7,171,230,103.26/x
  3. Step 3: Cross multiply
    13,192,724,699.33x = 18,205,971,816.42 × 7,171,230,103.26
  4. Step 4: Simplify right side
    13,192,724,699.33x = 130,559,213,149,014,245,376
  5. Step 5: Solve for x
    x = 130,559,213,149,014,245,376/13,192,724,699.33
  6. Step 6: Final answer
    x = 9,896,303,919.36

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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.