Home / 19,149,906,285.82-28,699,943,766.09-7,791,846,707.26

Finding the Fourth Proportional to 19,149,906,285.82, 28,699,943,766.09 and 7,791,846,707.26

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Solution

The fourth proportional to 19,149,906,285.82, 28,699,943,766.09 and 7,791,846,707.26 is: 11,677,632,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,906,285.82 : 28,699,943,766.09 = 7,791,846,707.26 : x
  2. Step 2: Convert to fraction form
    19,149,906,285.82/28,699,943,766.09 = 7,791,846,707.26/x
  3. Step 3: Cross multiply
    19,149,906,285.82x = 28,699,943,766.09 × 7,791,846,707.26
  4. Step 4: Simplify right side
    19,149,906,285.82x = 223,625,562,332,355,526,656
  5. Step 5: Solve for x
    x = 223,625,562,332,355,526,656/19,149,906,285.82
  6. Step 6: Final answer
    x = 11,677,632,203.24

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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.