Home / 19,643,476,186.82-27,113,040,846.64-12,793,941,239.87

Finding the Fourth Proportional to 19,643,476,186.82, 27,113,040,846.64 and 12,793,941,239.87

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Solution

The fourth proportional to 19,643,476,186.82, 27,113,040,846.64 and 12,793,941,239.87 is: 17,658,923,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643,476,186.82 : 27,113,040,846.64 = 12,793,941,239.87 : x
  2. Step 2: Convert to fraction form
    19,643,476,186.82/27,113,040,846.64 = 12,793,941,239.87/x
  3. Step 3: Cross multiply
    19,643,476,186.82x = 27,113,040,846.64 × 12,793,941,239.87
  4. Step 4: Simplify right side
    19,643,476,186.82x = 346,882,651,426,187,116,544
  5. Step 5: Solve for x
    x = 346,882,651,426,187,116,544/19,643,476,186.82
  6. Step 6: Final answer
    x = 17,658,923,915.86

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Double scale
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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.