Finding the Fourth Proportional to 3,172,764,449.75, 4,378,454,616.04 and 1,743,991,549.07
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Solution
The fourth proportional to 3,172,764,449.75, 4,378,454,616.04 and 1,743,991,549.07 is: 2,406,730,146.31
Step by Step Solution
- Step 1: Write the proportion equation
3,172,764,449.75 : 4,378,454,616.04 = 1,743,991,549.07 : x - Step 2: Convert to fraction form
3,172,764,449.75/4,378,454,616.04 = 1,743,991,549.07/x - Step 3: Cross multiply
3,172,764,449.75x = 4,378,454,616.04 × 1,743,991,549.07 - Step 4: Simplify right side
3,172,764,449.75x = 7,635,987,848,356,867,072 - Step 5: Solve for x
x = 7,635,987,848,356,867,072/3,172,764,449.75 - Step 6: Final answer
x = 2,406,730,146.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.