Home / 31,410,101,960.82-47,111,660,851.41-11,240,713,848.51

Finding the Fourth Proportional to 31,410,101,960.82, 47,111,660,851.41 and 11,240,713,848.51

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Solution

The fourth proportional to 31,410,101,960.82, 47,111,660,851.41 and 11,240,713,848.51 is: 16,859,821,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410,101,960.82 : 47,111,660,851.41 = 11,240,713,848.51 : x
  2. Step 2: Convert to fraction form
    31,410,101,960.82/47,111,660,851.41 = 11,240,713,848.51/x
  3. Step 3: Cross multiply
    31,410,101,960.82x = 47,111,660,851.41 × 11,240,713,848.51
  4. Step 4: Simplify right side
    31,410,101,960.82x = 529,568,698,558,750,851,072
  5. Step 5: Solve for x
    x = 529,568,698,558,750,851,072/31,410,101,960.82
  6. Step 6: Final answer
    x = 16,859,821,060.73

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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.