Home / 321,040,929,625.38-481,550,487,934.69-82,277,923,153.86

Finding the Fourth Proportional to 321,040,929,625.38, 481,550,487,934.69 and 82,277,923,153.86

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Solution

The fourth proportional to 321,040,929,625.38, 481,550,487,934.69 and 82,277,923,153.86 is: 123,414,089,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,040,929,625.38 : 481,550,487,934.69 = 82,277,923,153.86 : x
  2. Step 2: Convert to fraction form
    321,040,929,625.38/481,550,487,934.69 = 82,277,923,153.86/x
  3. Step 3: Cross multiply
    321,040,929,625.38x = 481,550,487,934.69 × 82,277,923,153.86
  4. Step 4: Simplify right side
    321,040,929,625.38x = 39,620,974,040,994,208,022,528
  5. Step 5: Solve for x
    x = 39,620,974,040,994,208,022,528/321,040,929,625.38
  6. Step 6: Final answer
    x = 123,414,089,559.32

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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.