Home / 811,361,054,991.66-1,217,277,132,706.80-327,065,344,336.86

Finding the Fourth Proportional to 811,361,054,991.66, 1,217,277,132,706.80 and 327,065,344,336.86

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Solution

The fourth proportional to 811,361,054,991.66, 1,217,277,132,706.80 and 327,065,344,336.86 is: 490,692,968,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,361,054,991.66 : 1,217,277,132,706.80 = 327,065,344,336.86 : x
  2. Step 2: Convert to fraction form
    811,361,054,991.66/1,217,277,132,706.80 = 327,065,344,336.86/x
  3. Step 3: Cross multiply
    811,361,054,991.66x = 1,217,277,132,706.80 × 327,065,344,336.86
  4. Step 4: Simplify right side
    811,361,054,991.66x = 398,129,164,562,135,162,814,464
  5. Step 5: Solve for x
    x = 398,129,164,562,135,162,814,464/811,361,054,991.66
  6. Step 6: Final answer
    x = 490,692,968,454.38

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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.