Home / 18,701,040,221.15-25,807,449,419.01-10,127,533,413.29

Finding the Fourth Proportional to 18,701,040,221.15, 25,807,449,419.01 and 10,127,533,413.29

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Solution

The fourth proportional to 18,701,040,221.15, 25,807,449,419.01 and 10,127,533,413.29 is: 13,976,003,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,040,221.15 : 25,807,449,419.01 = 10,127,533,413.29 : x
  2. Step 2: Convert to fraction form
    18,701,040,221.15/25,807,449,419.01 = 10,127,533,413.29/x
  3. Step 3: Cross multiply
    18,701,040,221.15x = 25,807,449,419.01 × 10,127,533,413.29
  4. Step 4: Simplify right side
    18,701,040,221.15x = 261,365,806,302,815,387,648
  5. Step 5: Solve for x
    x = 261,365,806,302,815,387,648/18,701,040,221.15
  6. Step 6: Final answer
    x = 13,976,003,645.36

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Double scale
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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.