Home / 13,410,619,923.74-18,500,840,399.48-7,982,111,648.76

Finding the Fourth Proportional to 13,410,619,923.74, 18,500,840,399.48 and 7,982,111,648.76

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Solution

The fourth proportional to 13,410,619,923.74, 18,500,840,399.48 and 7,982,111,648.76 is: 11,011,852,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,619,923.74 : 18,500,840,399.48 = 7,982,111,648.76 : x
  2. Step 2: Convert to fraction form
    13,410,619,923.74/18,500,840,399.48 = 7,982,111,648.76/x
  3. Step 3: Cross multiply
    13,410,619,923.74x = 18,500,840,399.48 × 7,982,111,648.76
  4. Step 4: Simplify right side
    13,410,619,923.74x = 147,675,773,664,472,891,392
  5. Step 5: Solve for x
    x = 147,675,773,664,472,891,392/13,410,619,923.74
  6. Step 6: Final answer
    x = 11,011,852,882.59

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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.