Finding the Fourth Proportional to 569,910,595.80, 854,865,893.70 and 388,512,067.80
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Solution
The fourth proportional to 569,910,595.80, 854,865,893.70 and 388,512,067.80 is: 582,768,101.70
Step by Step Solution
- Step 1: Write the proportion equation
569,910,595.80 : 854,865,893.70 = 388,512,067.80 : x - Step 2: Convert to fraction form
569,910,595.80/854,865,893.70 = 388,512,067.80/x - Step 3: Cross multiply
569,910,595.80x = 854,865,893.70 × 388,512,067.80 - Step 4: Simplify right side
569,910,595.80x = 332,125,716,053,082,048 - Step 5: Solve for x
x = 332,125,716,053,082,048/569,910,595.80 - Step 6: Final answer
x = 582,768,101.70
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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.