Home / 13,410,619,945.50-18,500,840,429.49-7,982,111,670.42

Finding the Fourth Proportional to 13,410,619,945.50, 18,500,840,429.49 and 7,982,111,670.42

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Solution

The fourth proportional to 13,410,619,945.50, 18,500,840,429.49 and 7,982,111,670.42 is: 11,011,852,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,619,945.50 : 18,500,840,429.49 = 7,982,111,670.42 : x
  2. Step 2: Convert to fraction form
    13,410,619,945.50/18,500,840,429.49 = 7,982,111,670.42/x
  3. Step 3: Cross multiply
    13,410,619,945.50x = 18,500,840,429.49 × 7,982,111,670.42
  4. Step 4: Simplify right side
    13,410,619,945.50x = 147,675,774,304,810,303,488
  5. Step 5: Solve for x
    x = 147,675,774,304,810,303,488/13,410,619,945.50
  6. Step 6: Final answer
    x = 11,011,852,912.46

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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.