Home / 21,054,414,958.94-31,581,865,048.86-7,609,719,922.58

Finding the Fourth Proportional to 21,054,414,958.94, 31,581,865,048.86 and 7,609,719,922.58

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Solution

The fourth proportional to 21,054,414,958.94, 31,581,865,048.86 and 7,609,719,922.58 is: 11,414,667,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,414,958.94 : 31,581,865,048.86 = 7,609,719,922.58 : x
  2. Step 2: Convert to fraction form
    21,054,414,958.94/31,581,865,048.86 = 7,609,719,922.58/x
  3. Step 3: Cross multiply
    21,054,414,958.94x = 31,581,865,048.86 × 7,609,719,922.58
  4. Step 4: Simplify right side
    21,054,414,958.94x = 240,329,147,654,542,917,632
  5. Step 5: Solve for x
    x = 240,329,147,654,542,917,632/21,054,414,958.94
  6. Step 6: Final answer
    x = 11,414,667,570.83

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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.