Finding the Fourth Proportional to 4,655,647,969.68, 6,433,198,343.38 and 3,315,210,912.20
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Solution
The fourth proportional to 4,655,647,969.68, 6,433,198,343.38 and 3,315,210,912.20 is: 4,580,975,513.44
Step by Step Solution
- Step 1: Write the proportion equation
4,655,647,969.68 : 6,433,198,343.38 = 3,315,210,912.20 : x - Step 2: Convert to fraction form
4,655,647,969.68/6,433,198,343.38 = 3,315,210,912.20/x - Step 3: Cross multiply
4,655,647,969.68x = 6,433,198,343.38 × 3,315,210,912.20 - Step 4: Simplify right side
4,655,647,969.68x = 21,327,409,348,320,337,920 - Step 5: Solve for x
x = 21,327,409,348,320,337,920/4,655,647,969.68 - Step 6: Final answer
x = 4,580,975,513.44
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1.5x scale
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.