Finding the Fourth Proportional to 848,282,467.05, 1,272,423,700.58 and 440,135,779.05
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Solution
The fourth proportional to 848,282,467.05, 1,272,423,700.58 and 440,135,779.05 is: 660,203,668.58
Step by Step Solution
- Step 1: Write the proportion equation
848,282,467.05 : 1,272,423,700.58 = 440,135,779.05 : x - Step 2: Convert to fraction form
848,282,467.05/1,272,423,700.58 = 440,135,779.05/x - Step 3: Cross multiply
848,282,467.05x = 1,272,423,700.58 × 440,135,779.05 - Step 4: Simplify right side
848,282,467.05x = 560,039,196,734,261,568 - Step 5: Solve for x
x = 560,039,196,734,261,568/848,282,467.05 - Step 6: Final answer
x = 660,203,668.58
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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.