Home / 3,968,550,172.38-5,476,555,776.87-2,184,365,479.26

Finding the Fourth Proportional to 3,968,550,172.38, 5,476,555,776.87 and 2,184,365,479.26

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Solution

The fourth proportional to 3,968,550,172.38, 5,476,555,776.87 and 2,184,365,479.26 is: 3,014,400,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968,550,172.38 : 5,476,555,776.87 = 2,184,365,479.26 : x
  2. Step 2: Convert to fraction form
    3,968,550,172.38/5,476,555,776.87 = 2,184,365,479.26/x
  3. Step 3: Cross multiply
    3,968,550,172.38x = 5,476,555,776.87 × 2,184,365,479.26
  4. Step 4: Simplify right side
    3,968,550,172.38x = 11,962,799,384,236,761,088
  5. Step 5: Solve for x
    x = 11,962,799,384,236,761,088/3,968,550,172.38
  6. Step 6: Final answer
    x = 3,014,400,439.61

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1.5x scale

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.