Finding the Fourth Proportional to 373,251,331.80, 559,876,997.70 and 356,245,219.80
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Solution
The fourth proportional to 373,251,331.80, 559,876,997.70 and 356,245,219.80 is: 534,367,829.70
Step by Step Solution
- Step 1: Write the proportion equation
373,251,331.80 : 559,876,997.70 = 356,245,219.80 : x - Step 2: Convert to fraction form
373,251,331.80/559,876,997.70 = 356,245,219.80/x - Step 3: Cross multiply
373,251,331.80x = 559,876,997.70 × 356,245,219.80 - Step 4: Simplify right side
373,251,331.80x = 199,453,504,106,600,608 - Step 5: Solve for x
x = 199,453,504,106,600,608/373,251,331.80 - Step 6: Final answer
x = 534,367,829.70
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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.