Home / 13,355,431,978.96-20,033,792,269.89-4,391,422,786.42

Finding the Fourth Proportional to 13,355,431,978.96, 20,033,792,269.89 and 4,391,422,786.42

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Solution

The fourth proportional to 13,355,431,978.96, 20,033,792,269.89 and 4,391,422,786.42 is: 6,587,346,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,431,978.96 : 20,033,792,269.89 = 4,391,422,786.42 : x
  2. Step 2: Convert to fraction form
    13,355,431,978.96/20,033,792,269.89 = 4,391,422,786.42/x
  3. Step 3: Cross multiply
    13,355,431,978.96x = 20,033,792,269.89 × 4,391,422,786.42
  4. Step 4: Simplify right side
    13,355,431,978.96x = 87,976,851,872,399,802,368
  5. Step 5: Solve for x
    x = 87,976,851,872,399,802,368/13,355,431,978.96
  6. Step 6: Final answer
    x = 6,587,346,033.51

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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.