Finding the Fourth Proportional to 612,043,311,610.62, 844,890,638,533.23 and 395,375,174,338.05
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Solution
The fourth proportional to 612,043,311,610.62, 844,890,638,533.23 and 395,375,174,338.05 is: 545,792,719,517.84
Step by Step Solution
- Step 1: Write the proportion equation
612,043,311,610.62 : 844,890,638,533.23 = 395,375,174,338.05 : x - Step 2: Convert to fraction form
612,043,311,610.62/844,890,638,533.23 = 395,375,174,338.05/x - Step 3: Cross multiply
612,043,311,610.62x = 844,890,638,533.23 × 395,375,174,338.05 - Step 4: Simplify right side
612,043,311,610.62x = 334,048,783,506,662,148,276,224 - Step 5: Solve for x
x = 334,048,783,506,662,148,276,224/612,043,311,610.62 - Step 6: Final answer
x = 545,792,719,517.84
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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.