Home / 1,338,220,322.73-2,007,107,840.86-405,321,369.98

Finding the Fourth Proportional to 1,338,220,322.73, 2,007,107,840.86 and 405,321,369.98

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Solution

The fourth proportional to 1,338,220,322.73, 2,007,107,840.86 and 405,321,369.98 is: 607,914,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,220,322.73 : 2,007,107,840.86 = 405,321,369.98 : x
  2. Step 2: Convert to fraction form
    1,338,220,322.73/2,007,107,840.86 = 405,321,369.98/x
  3. Step 3: Cross multiply
    1,338,220,322.73x = 2,007,107,840.86 × 405,321,369.98
  4. Step 4: Simplify right side
    1,338,220,322.73x = 813,523,699,743,926,272
  5. Step 5: Solve for x
    x = 813,523,699,743,926,272/1,338,220,322.73
  6. Step 6: Final answer
    x = 607,914,620.58

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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.