Finding the Fourth Proportional to 414,083,884.05, 620,598,321.68 and 220,088,236.05
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Solution
The fourth proportional to 414,083,884.05, 620,598,321.68 and 220,088,236.05 is: 329,851,982.11
Step by Step Solution
- Step 1: Write the proportion equation
414,083,884.05 : 620,598,321.68 = 220,088,236.05 : x - Step 2: Convert to fraction form
414,083,884.05/620,598,321.68 = 220,088,236.05/x - Step 3: Cross multiply
414,083,884.05x = 620,598,321.68 × 220,088,236.05 - Step 4: Simplify right side
414,083,884.05x = 136,586,389,913,041,232 - Step 5: Solve for x
x = 136,586,389,913,041,232/414,083,884.05 - Step 6: Final answer
x = 329,851,982.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.