Finding the Fourth Proportional to 2,068,430,795.70, 3,102,646,193.55 and 1,660,284,107.70
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Solution
The fourth proportional to 2,068,430,795.70, 3,102,646,193.55 and 1,660,284,107.70 is: 2,490,426,161.55
Step by Step Solution
- Step 1: Write the proportion equation
2,068,430,795.70 : 3,102,646,193.55 = 1,660,284,107.70 : x - Step 2: Convert to fraction form
2,068,430,795.70/3,102,646,193.55 = 1,660,284,107.70/x - Step 3: Cross multiply
2,068,430,795.70x = 3,102,646,193.55 × 1,660,284,107.70 - Step 4: Simplify right side
2,068,430,795.70x = 5,151,274,166,966,963,200 - Step 5: Solve for x
x = 5,151,274,166,966,963,200/2,068,430,795.70 - Step 6: Final answer
x = 2,490,426,161.55
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Double scale
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Similar ratio
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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.