Home / 1,539,339,067.30-2,308,775,300.31-418,950,032.78

Finding the Fourth Proportional to 1,539,339,067.30, 2,308,775,300.31 and 418,950,032.78

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Solution

The fourth proportional to 1,539,339,067.30, 2,308,775,300.31 and 418,950,032.78 is: 628,361,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,339,067.30 : 2,308,775,300.31 = 418,950,032.78 : x
  2. Step 2: Convert to fraction form
    1,539,339,067.30/2,308,775,300.31 = 418,950,032.78/x
  3. Step 3: Cross multiply
    1,539,339,067.30x = 2,308,775,300.31 × 418,950,032.78
  4. Step 4: Simplify right side
    1,539,339,067.30x = 967,261,487,734,984,832
  5. Step 5: Solve for x
    x = 967,261,487,734,984,832/1,539,339,067.30
  6. Step 6: Final answer
    x = 628,361,553.53

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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.