Finding the Fourth Proportional to 612,043,311,611.62, 844,890,638,534.61 and 395,375,174,339.05
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Solution
The fourth proportional to 612,043,311,611.62, 844,890,638,534.61 and 395,375,174,339.05 is: 545,792,719,519.22
Step by Step Solution
- Step 1: Write the proportion equation
612,043,311,611.62 : 844,890,638,534.61 = 395,375,174,339.05 : x - Step 2: Convert to fraction form
612,043,311,611.62/844,890,638,534.61 = 395,375,174,339.05/x - Step 3: Cross multiply
612,043,311,611.62x = 844,890,638,534.61 × 395,375,174,339.05 - Step 4: Simplify right side
612,043,311,611.62x = 334,048,783,508,052,711,047,168 - Step 5: Solve for x
x = 334,048,783,508,052,711,047,168/612,043,311,611.62 - Step 6: Final answer
x = 545,792,719,519.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.