Finding the Fourth Proportional to 5,212,557,800.70, 7,818,836,701.05 and 2,763,677,672.70
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Solution
The fourth proportional to 5,212,557,800.70, 7,818,836,701.05 and 2,763,677,672.70 is: 4,145,516,509.05
Step by Step Solution
- Step 1: Write the proportion equation
5,212,557,800.70 : 7,818,836,701.05 = 2,763,677,672.70 : x - Step 2: Convert to fraction form
5,212,557,800.70/7,818,836,701.05 = 2,763,677,672.70/x - Step 3: Cross multiply
5,212,557,800.70x = 7,818,836,701.05 × 2,763,677,672.70 - Step 4: Simplify right side
5,212,557,800.70x = 21,608,744,417,179,209,728 - Step 5: Solve for x
x = 21,608,744,417,179,209,728/5,212,557,800.70 - Step 6: Final answer
x = 4,145,516,509.05
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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.