Finding the Fourth Proportional to 5,979,114,639.36, 8,968,672,512 and 1,782,132,480
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Solution
The fourth proportional to 5,979,114,639.36, 8,968,672,512 and 1,782,132,480 is: 2,673,198,884.82
Step by Step Solution
- Step 1: Write the proportion equation
5,979,114,639.36 : 8,968,672,512 = 1,782,132,480 : x - Step 2: Convert to fraction form
5,979,114,639.36/8,968,672,512 = 1,782,132,480/x - Step 3: Cross multiply
5,979,114,639.36x = 8,968,672,512 × 1,782,132,480 - Step 4: Simplify right side
5,979,114,639.36x = 15,983,362,586,118,389,760 - Step 5: Solve for x
x = 15,983,362,586,118,389,760/5,979,114,639.36 - Step 6: Final answer
x = 2,673,198,884.82
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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.