Home / 21,645,534,888.43-29,860,223,383.41-18,783,660,334.06

Finding the Fourth Proportional to 21,645,534,888.43, 29,860,223,383.41 and 18,783,660,334.06

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Solution

The fourth proportional to 21,645,534,888.43, 29,860,223,383.41 and 18,783,660,334.06 is: 25,912,239,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645,534,888.43 : 29,860,223,383.41 = 18,783,660,334.06 : x
  2. Step 2: Convert to fraction form
    21,645,534,888.43/29,860,223,383.41 = 18,783,660,334.06/x
  3. Step 3: Cross multiply
    21,645,534,888.43x = 29,860,223,383.41 × 18,783,660,334.06
  4. Step 4: Simplify right side
    21,645,534,888.43x = 560,884,293,532,886,040,576
  5. Step 5: Solve for x
    x = 560,884,293,532,886,040,576/21,645,534,888.43
  6. Step 6: Final answer
    x = 25,912,239,934.20

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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.