Home / 539,136,620.20-808,704,930.30-449,557,100.20

Finding the Fourth Proportional to 539,136,620.20, 808,704,930.30 and 449,557,100.20

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Solution

The fourth proportional to 539,136,620.20, 808,704,930.30 and 449,557,100.20 is: 674,335,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,620.20 : 808,704,930.30 = 449,557,100.20 : x
  2. Step 2: Convert to fraction form
    539,136,620.20/808,704,930.30 = 449,557,100.20/x
  3. Step 3: Cross multiply
    539,136,620.20x = 808,704,930.30 × 449,557,100.20
  4. Step 4: Simplify right side
    539,136,620.20x = 363,559,043,383,111,104
  5. Step 5: Solve for x
    x = 363,559,043,383,111,104/539,136,620.20
  6. Step 6: Final answer
    x = 674,335,650.30

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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.