Finding the Fourth Proportional to 5,269,483,105.68, 7,271,897,723.46 and 2,890,640,253
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Solution
The fourth proportional to 5,269,483,105.68, 7,271,897,723.46 and 2,890,640,253 is: 3,989,089,603.96
Step by Step Solution
- Step 1: Write the proportion equation
5,269,483,105.68 : 7,271,897,723.46 = 2,890,640,253 : x - Step 2: Convert to fraction form
5,269,483,105.68/7,271,897,723.46 = 2,890,640,253/x - Step 3: Cross multiply
5,269,483,105.68x = 7,271,897,723.46 × 2,890,640,253 - Step 4: Simplify right side
5,269,483,105.68x = 21,020,440,275,132,538,880 - Step 5: Solve for x
x = 21,020,440,275,132,538,880/5,269,483,105.68 - Step 6: Final answer
x = 3,989,089,603.96
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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.