Home / 286,542,111.09-395,429,452.41-162,789,578.85

Finding the Fourth Proportional to 286,542,111.09, 395,429,452.41 and 162,789,578.85

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Solution

The fourth proportional to 286,542,111.09, 395,429,452.41 and 162,789,578.85 is: 224,650,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,542,111.09 : 395,429,452.41 = 162,789,578.85 : x
  2. Step 2: Convert to fraction form
    286,542,111.09/395,429,452.41 = 162,789,578.85/x
  3. Step 3: Cross multiply
    286,542,111.09x = 395,429,452.41 × 162,789,578.85
  4. Step 4: Simplify right side
    286,542,111.09x = 64,371,794,022,710,016
  5. Step 5: Solve for x
    x = 64,371,794,022,710,016/286,542,111.09
  6. Step 6: Final answer
    x = 224,650,379.58

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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.