Finding the Fourth Proportional to 7,325,889,982.14, 10,993,354,890.84 and 3,394,863,420.42
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Solution
The fourth proportional to 7,325,889,982.14, 10,993,354,890.84 and 3,394,863,420.42 is: 5,094,389,688.84
Step by Step Solution
- Step 1: Write the proportion equation
7,325,889,982.14 : 10,993,354,890.84 = 3,394,863,420.42 : x - Step 2: Convert to fraction form
7,325,889,982.14/10,993,354,890.84 = 3,394,863,420.42/x - Step 3: Cross multiply
7,325,889,982.14x = 10,993,354,890.84 × 3,394,863,420.42 - Step 4: Simplify right side
7,325,889,982.14x = 37,320,938,386,608,021,504 - Step 5: Solve for x
x = 37,320,938,386,608,021,504/7,325,889,982.14 - Step 6: Final answer
x = 5,094,389,688.84
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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.