Home / 13,410,619,924.49-18,500,840,400.52-7,982,111,649.51

Finding the Fourth Proportional to 13,410,619,924.49, 18,500,840,400.52 and 7,982,111,649.51

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Solution

The fourth proportional to 13,410,619,924.49, 18,500,840,400.52 and 7,982,111,649.51 is: 11,011,852,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,619,924.49 : 18,500,840,400.52 = 7,982,111,649.51 : x
  2. Step 2: Convert to fraction form
    13,410,619,924.49/18,500,840,400.52 = 7,982,111,649.51/x
  3. Step 3: Cross multiply
    13,410,619,924.49x = 18,500,840,400.52 × 7,982,111,649.51
  4. Step 4: Simplify right side
    13,410,619,924.49x = 147,675,773,686,691,987,456
  5. Step 5: Solve for x
    x = 147,675,773,686,691,987,456/13,410,619,924.49
  6. Step 6: Final answer
    x = 11,011,852,883.63

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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.