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Finding the Fourth Proportional to 411,036,809.33, 616,555,214.00 and 104,328,922.20

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Solution

The fourth proportional to 411,036,809.33, 616,555,214.00 and 104,328,922.20 is: 156,493,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,809.33 : 616,555,214.00 = 104,328,922.20 : x
  2. Step 2: Convert to fraction form
    411,036,809.33/616,555,214.00 = 104,328,922.20/x
  3. Step 3: Cross multiply
    411,036,809.33x = 616,555,214.00 × 104,328,922.20
  4. Step 4: Simplify right side
    411,036,809.33x = 64,324,540,952,888,712
  5. Step 5: Solve for x
    x = 64,324,540,952,888,712/411,036,809.33
  6. Step 6: Final answer
    x = 156,493,383.30

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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.