Home / 1,539,339,066.80-2,308,775,299.56-418,950,032.27

Finding the Fourth Proportional to 1,539,339,066.80, 2,308,775,299.56 and 418,950,032.27

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Solution

The fourth proportional to 1,539,339,066.80, 2,308,775,299.56 and 418,950,032.27 is: 628,361,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,339,066.80 : 2,308,775,299.56 = 418,950,032.27 : x
  2. Step 2: Convert to fraction form
    1,539,339,066.80/2,308,775,299.56 = 418,950,032.27/x
  3. Step 3: Cross multiply
    1,539,339,066.80x = 2,308,775,299.56 × 418,950,032.27
  4. Step 4: Simplify right side
    1,539,339,066.80x = 967,261,486,260,612,736
  5. Step 5: Solve for x
    x = 967,261,486,260,612,736/1,539,339,066.80
  6. Step 6: Final answer
    x = 628,361,552.78

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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.