Finding the Fourth Proportional to 2,765,394,757.80, 4,148,092,136.70 and 2,719,478,255.40
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Solution
The fourth proportional to 2,765,394,757.80, 4,148,092,136.70 and 2,719,478,255.40 is: 4,079,217,383.10
Step by Step Solution
- Step 1: Write the proportion equation
2,765,394,757.80 : 4,148,092,136.70 = 2,719,478,255.40 : x - Step 2: Convert to fraction form
2,765,394,757.80/4,148,092,136.70 = 2,719,478,255.40/x - Step 3: Cross multiply
2,765,394,757.80x = 4,148,092,136.70 × 2,719,478,255.40 - Step 4: Simplify right side
2,765,394,757.80x = 11,280,646,367,151,374,336 - Step 5: Solve for x
x = 11,280,646,367,151,374,336/2,765,394,757.80 - Step 6: Final answer
x = 4,079,217,383.10
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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.