Finding the Fourth Proportional to 1,319,532,467.82, 1,820,848,611.87 and 762,651,583.98
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Solution
The fourth proportional to 1,319,532,467.82, 1,820,848,611.87 and 762,651,583.98 is: 1,052,397,808.99
Step by Step Solution
- Step 1: Write the proportion equation
1,319,532,467.82 : 1,820,848,611.87 = 762,651,583.98 : x - Step 2: Convert to fraction form
1,319,532,467.82/1,820,848,611.87 = 762,651,583.98/x - Step 3: Cross multiply
1,319,532,467.82x = 1,820,848,611.87 × 762,651,583.98 - Step 4: Simplify right side
1,319,532,467.82x = 1,388,673,078,030,439,680 - Step 5: Solve for x
x = 1,388,673,078,030,439,680/1,319,532,467.82 - Step 6: Final answer
x = 1,052,397,808.99
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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.