Finding the Fourth Proportional to 565,521,813.70, 848,282,720.55 and 293,424,021.70
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Solution
The fourth proportional to 565,521,813.70, 848,282,720.55 and 293,424,021.70 is: 440,136,032.55
Step by Step Solution
- Step 1: Write the proportion equation
565,521,813.70 : 848,282,720.55 = 293,424,021.70 : x - Step 2: Convert to fraction form
565,521,813.70/848,282,720.55 = 293,424,021.70/x - Step 3: Cross multiply
565,521,813.70x = 848,282,720.55 × 293,424,021.70 - Step 4: Simplify right side
565,521,813.70x = 248,906,527,402,398,208 - Step 5: Solve for x
x = 248,906,527,402,398,208/565,521,813.70 - Step 6: Final answer
x = 440,136,032.55
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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.