Finding the Fourth Proportional to 7,910,039,101.75, 10,924,913,572.26 and 5,209,379,472.44
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Solution
The fourth proportional to 7,910,039,101.75, 10,924,913,572.26 and 5,209,379,472.44 is: 7,194,910,135.01
Step by Step Solution
- Step 1: Write the proportion equation
7,910,039,101.75 : 10,924,913,572.26 = 5,209,379,472.44 : x - Step 2: Convert to fraction form
7,910,039,101.75/10,924,913,572.26 = 5,209,379,472.44/x - Step 3: Cross multiply
7,910,039,101.75x = 10,924,913,572.26 × 5,209,379,472.44 - Step 4: Simplify right side
7,910,039,101.75x = 56,912,020,501,512,388,608 - Step 5: Solve for x
x = 56,912,020,501,512,388,608/7,910,039,101.75 - Step 6: Final answer
x = 7,194,910,135.01
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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.