Finding the Fourth Proportional to 4,655,647,963.55, 6,433,198,334.92 and 3,315,210,906.05
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Solution
The fourth proportional to 4,655,647,963.55, 6,433,198,334.92 and 3,315,210,906.05 is: 4,580,975,504.95
Step by Step Solution
- Step 1: Write the proportion equation
4,655,647,963.55 : 6,433,198,334.92 = 3,315,210,906.05 : x - Step 2: Convert to fraction form
4,655,647,963.55/6,433,198,334.92 = 3,315,210,906.05/x - Step 3: Cross multiply
4,655,647,963.55x = 6,433,198,334.92 × 3,315,210,906.05 - Step 4: Simplify right side
4,655,647,963.55x = 21,327,409,280,724,180,992 - Step 5: Solve for x
x = 21,327,409,280,724,180,992/4,655,647,963.55 - Step 6: Final answer
x = 4,580,975,504.95
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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.