Finding the Fourth Proportional to 852,529,570.70, 1,278,794,356.05 and 577,030,556.30
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Solution
The fourth proportional to 852,529,570.70, 1,278,794,356.05 and 577,030,556.30 is: 865,545,834.45
Step by Step Solution
- Step 1: Write the proportion equation
852,529,570.70 : 1,278,794,356.05 = 577,030,556.30 : x - Step 2: Convert to fraction form
852,529,570.70/1,278,794,356.05 = 577,030,556.30/x - Step 3: Cross multiply
852,529,570.70x = 1,278,794,356.05 × 577,030,556.30 - Step 4: Simplify right side
852,529,570.70x = 737,903,418,664,831,744 - Step 5: Solve for x
x = 737,903,418,664,831,744/852,529,570.70 - Step 6: Final answer
x = 865,545,834.45
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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.