Home / 20,229,530,094.51-27,916,145,476.68-11,197,658,413.05

Finding the Fourth Proportional to 20,229,530,094.51, 27,916,145,476.68 and 11,197,658,413.05

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Solution

The fourth proportional to 20,229,530,094.51, 27,916,145,476.68 and 11,197,658,413.05 is: 15,452,433,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,530,094.51 : 27,916,145,476.68 = 11,197,658,413.05 : x
  2. Step 2: Convert to fraction form
    20,229,530,094.51/27,916,145,476.68 = 11,197,658,413.05/x
  3. Step 3: Cross multiply
    20,229,530,094.51x = 27,916,145,476.68 × 11,197,658,413.05
  4. Step 4: Simplify right side
    20,229,530,094.51x = 312,595,461,256,873,508,864
  5. Step 5: Solve for x
    x = 312,595,461,256,873,508,864/20,229,530,094.51
  6. Step 6: Final answer
    x = 15,452,433,140.88

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1.5x scale

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.