Finding the Fourth Proportional to 3,880,929,810.60, 5,821,394,715.90 and 2,133,457,324.20
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Solution
The fourth proportional to 3,880,929,810.60, 5,821,394,715.90 and 2,133,457,324.20 is: 3,200,185,986.30
Step by Step Solution
- Step 1: Write the proportion equation
3,880,929,810.60 : 5,821,394,715.90 = 2,133,457,324.20 : x - Step 2: Convert to fraction form
3,880,929,810.60/5,821,394,715.90 = 2,133,457,324.20/x - Step 3: Cross multiply
3,880,929,810.60x = 5,821,394,715.90 × 2,133,457,324.20 - Step 4: Simplify right side
3,880,929,810.60x = 12,419,697,193,696,032,768 - Step 5: Solve for x
x = 12,419,697,193,696,032,768/3,880,929,810.60 - Step 6: Final answer
x = 3,200,185,986.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.