Home / 539,136,537.20-808,704,805.80-449,557,017.20

Finding the Fourth Proportional to 539,136,537.20, 808,704,805.80 and 449,557,017.20

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Solution

The fourth proportional to 539,136,537.20, 808,704,805.80 and 449,557,017.20 is: 674,335,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,537.20 : 808,704,805.80 = 449,557,017.20 : x
  2. Step 2: Convert to fraction form
    539,136,537.20/808,704,805.80 = 449,557,017.20/x
  3. Step 3: Cross multiply
    539,136,537.20x = 808,704,805.80 × 449,557,017.20
  4. Step 4: Simplify right side
    539,136,537.20x = 363,558,920,290,753,216
  5. Step 5: Solve for x
    x = 363,558,920,290,753,216/539,136,537.20
  6. Step 6: Final answer
    x = 674,335,525.80

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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.