Home / 39,682,684,212.46-54,762,008,334.64-21,618,348,866.91

Finding the Fourth Proportional to 39,682,684,212.46, 54,762,008,334.64 and 21,618,348,866.91

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Solution

The fourth proportional to 39,682,684,212.46, 54,762,008,334.64 and 21,618,348,866.91 is: 29,833,269,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,682,684,212.46 : 54,762,008,334.64 = 21,618,348,866.91 : x
  2. Step 2: Convert to fraction form
    39,682,684,212.46/54,762,008,334.64 = 21,618,348,866.91/x
  3. Step 3: Cross multiply
    39,682,684,212.46x = 54,762,008,334.64 × 21,618,348,866.91
  4. Step 4: Simplify right side
    39,682,684,212.46x = 1,183,864,200,830,837,325,824
  5. Step 5: Solve for x
    x = 1,183,864,200,830,837,325,824/39,682,684,212.46
  6. Step 6: Final answer
    x = 29,833,269,203.58

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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.