Finding the Fourth Proportional to 582,701,203.40, 874,051,805.10 and 399,035,193.80
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Solution
The fourth proportional to 582,701,203.40, 874,051,805.10 and 399,035,193.80 is: 598,552,790.70
Step by Step Solution
- Step 1: Write the proportion equation
582,701,203.40 : 874,051,805.10 = 399,035,193.80 : x - Step 2: Convert to fraction form
582,701,203.40/874,051,805.10 = 399,035,193.80/x - Step 3: Cross multiply
582,701,203.40x = 874,051,805.10 × 399,035,193.80 - Step 4: Simplify right side
582,701,203.40x = 348,777,431,439,318,336 - Step 5: Solve for x
x = 348,777,431,439,318,336/582,701,203.40 - Step 6: Final answer
x = 598,552,790.70
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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.