Finding the Fourth Proportional to 452,929,116.20, 679,393,674.30 and 271,082,690.60
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Solution
The fourth proportional to 452,929,116.20, 679,393,674.30 and 271,082,690.60 is: 406,624,035.90
Step by Step Solution
- Step 1: Write the proportion equation
452,929,116.20 : 679,393,674.30 = 271,082,690.60 : x - Step 2: Convert to fraction form
452,929,116.20/679,393,674.30 = 271,082,690.60/x - Step 3: Cross multiply
452,929,116.20x = 679,393,674.30 × 271,082,690.60 - Step 4: Simplify right side
452,929,116.20x = 184,171,865,205,864,064 - Step 5: Solve for x
x = 184,171,865,205,864,064/452,929,116.20 - Step 6: Final answer
x = 406,624,035.90
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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.