Finding the Fourth Proportional to 403,692,368,804.80, 605,538,553,207.20 and 168,110,100,491.20
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Solution
The fourth proportional to 403,692,368,804.80, 605,538,553,207.20 and 168,110,100,491.20 is: 252,165,150,736.80
Step by Step Solution
- Step 1: Write the proportion equation
403,692,368,804.80 : 605,538,553,207.20 = 168,110,100,491.20 : x - Step 2: Convert to fraction form
403,692,368,804.80/605,538,553,207.20 = 168,110,100,491.20/x - Step 3: Cross multiply
403,692,368,804.80x = 605,538,553,207.20 × 168,110,100,491.20 - Step 4: Simplify right side
403,692,368,804.80x = 101,797,147,030,958,251,180,032 - Step 5: Solve for x
x = 101,797,147,030,958,251,180,032/403,692,368,804.80 - Step 6: Final answer
x = 252,165,150,736.80
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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.