Home / 38,631,362,011.20-57,947,043,016.80-19,040,320,987.20

Finding the Fourth Proportional to 38,631,362,011.20, 57,947,043,016.80 and 19,040,320,987.20

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Solution

The fourth proportional to 38,631,362,011.20, 57,947,043,016.80 and 19,040,320,987.20 is: 28,560,481,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631,362,011.20 : 57,947,043,016.80 = 19,040,320,987.20 : x
  2. Step 2: Convert to fraction form
    38,631,362,011.20/57,947,043,016.80 = 19,040,320,987.20/x
  3. Step 3: Cross multiply
    38,631,362,011.20x = 57,947,043,016.80 × 19,040,320,987.20
  4. Step 4: Simplify right side
    38,631,362,011.20x = 1,103,330,299,298,958,409,728
  5. Step 5: Solve for x
    x = 1,103,330,299,298,958,409,728/38,631,362,011.20
  6. Step 6: Final answer
    x = 28,560,481,480.80

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1.5x scale

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.