Home / 471,336,625.66-650,395,611.32-290,254,820.58

Finding the Fourth Proportional to 471,336,625.66, 650,395,611.32 and 290,254,820.58

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Solution

The fourth proportional to 471,336,625.66, 650,395,611.32 and 290,254,820.58 is: 400,521,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,336,625.66 : 650,395,611.32 = 290,254,820.58 : x
  2. Step 2: Convert to fraction form
    471,336,625.66/650,395,611.32 = 290,254,820.58/x
  3. Step 3: Cross multiply
    471,336,625.66x = 650,395,611.32 × 290,254,820.58
  4. Step 4: Simplify right side
    471,336,625.66x = 188,780,461,469,706,016
  5. Step 5: Solve for x
    x = 188,780,461,469,706,016/471,336,625.66
  6. Step 6: Final answer
    x = 400,521,519.42

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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.