Finding the Fourth Proportional to 5,350,147,221.90, 8,025,220,832.85 and 3,490,528,874.70
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Solution
The fourth proportional to 5,350,147,221.90, 8,025,220,832.85 and 3,490,528,874.70 is: 5,235,793,312.05
Step by Step Solution
- Step 1: Write the proportion equation
5,350,147,221.90 : 8,025,220,832.85 = 3,490,528,874.70 : x - Step 2: Convert to fraction form
5,350,147,221.90/8,025,220,832.85 = 3,490,528,874.70/x - Step 3: Cross multiply
5,350,147,221.90x = 8,025,220,832.85 × 3,490,528,874.70 - Step 4: Simplify right side
5,350,147,221.90x = 28,012,265,042,906,906,624 - Step 5: Solve for x
x = 28,012,265,042,906,906,624/5,350,147,221.90 - Step 6: Final answer
x = 5,235,793,312.05
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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.