Home / 884,890,234,019.30-1,221,135,633,121.60-494,262,356,257.72

Finding the Fourth Proportional to 884,890,234,019.30, 1,221,135,633,121.60 and 494,262,356,257.72

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Solution

The fourth proportional to 884,890,234,019.30, 1,221,135,633,121.60 and 494,262,356,257.72 is: 682,074,851,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,890,234,019.30 : 1,221,135,633,121.60 = 494,262,356,257.72 : x
  2. Step 2: Convert to fraction form
    884,890,234,019.30/1,221,135,633,121.60 = 494,262,356,257.72/x
  3. Step 3: Cross multiply
    884,890,234,019.30x = 1,221,135,633,121.60 × 494,262,356,257.72
  4. Step 4: Simplify right side
    884,890,234,019.30x = 603,561,375,336,944,751,345,664
  5. Step 5: Solve for x
    x = 603,561,375,336,944,751,345,664/884,890,234,019.30
  6. Step 6: Final answer
    x = 682,074,851,923.14

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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.