Finding the Fourth Proportional to 2,611,280,528.70, 3,916,920,793.05 and 1,681,471,355.10
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Solution
The fourth proportional to 2,611,280,528.70, 3,916,920,793.05 and 1,681,471,355.10 is: 2,522,207,032.65
Step by Step Solution
- Step 1: Write the proportion equation
2,611,280,528.70 : 3,916,920,793.05 = 1,681,471,355.10 : x - Step 2: Convert to fraction form
2,611,280,528.70/3,916,920,793.05 = 1,681,471,355.10/x - Step 3: Cross multiply
2,611,280,528.70x = 3,916,920,793.05 × 1,681,471,355.10 - Step 4: Simplify right side
2,611,280,528.70x = 6,586,190,113,709,150,208 - Step 5: Solve for x
x = 6,586,190,113,709,150,208/2,611,280,528.70 - Step 6: Final answer
x = 2,522,207,032.65
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Double scale
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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.