Home / 19,905,179,456.42-27,469,146,599.31-10,749,707,413.38

Finding the Fourth Proportional to 19,905,179,456.42, 27,469,146,599.31 and 10,749,707,413.38

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Solution

The fourth proportional to 19,905,179,456.42, 27,469,146,599.31 and 10,749,707,413.38 is: 14,834,595,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905,179,456.42 : 27,469,146,599.31 = 10,749,707,413.38 : x
  2. Step 2: Convert to fraction form
    19,905,179,456.42/27,469,146,599.31 = 10,749,707,413.38/x
  3. Step 3: Cross multiply
    19,905,179,456.42x = 27,469,146,599.31 × 10,749,707,413.38
  4. Step 4: Simplify right side
    19,905,179,456.42x = 295,285,288,837,824,708,608
  5. Step 5: Solve for x
    x = 295,285,288,837,824,708,608/19,905,179,456.42
  6. Step 6: Final answer
    x = 14,834,595,663.12

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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.