Finding the Fourth Proportional to 664,394,777.70, 996,592,166.55 and 664,394,777.70
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Solution
The fourth proportional to 664,394,777.70, 996,592,166.55 and 664,394,777.70 is: 996,592,166.55
Step by Step Solution
- Step 1: Write the proportion equation
664,394,777.70 : 996,592,166.55 = 664,394,777.70 : x - Step 2: Convert to fraction form
664,394,777.70/996,592,166.55 = 664,394,777.70/x - Step 3: Cross multiply
664,394,777.70x = 996,592,166.55 × 664,394,777.70 - Step 4: Simplify right side
664,394,777.70x = 662,130,630,952,548,608 - Step 5: Solve for x
x = 662,130,630,952,548,608/664,394,777.70 - Step 6: Final answer
x = 996,592,166.55
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Double scale
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Similar ratio
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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.