Finding the Fourth Proportional to 1,362,516,449.18, 1,880,273,523.60 and 735,985,153.92
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Solution
The fourth proportional to 1,362,516,449.18, 1,880,273,523.60 and 735,985,153.92 is: 1,015,659,957.36
Step by Step Solution
- Step 1: Write the proportion equation
1,362,516,449.18 : 1,880,273,523.60 = 735,985,153.92 : x - Step 2: Convert to fraction form
1,362,516,449.18/1,880,273,523.60 = 735,985,153.92/x - Step 3: Cross multiply
1,362,516,449.18x = 1,880,273,523.60 × 735,985,153.92 - Step 4: Simplify right side
1,362,516,449.18x = 1,383,853,398,678,446,592 - Step 5: Solve for x
x = 1,383,853,398,678,446,592/1,362,516,449.18 - Step 6: Final answer
x = 1,015,659,957.36
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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.