Finding the Fourth Proportional to 488,693,173.84, 674,205,755.88 and 279,737,648.08
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Solution
The fourth proportional to 488,693,173.84, 674,205,755.88 and 279,737,648.08 is: 385,928,722.90
Step by Step Solution
- Step 1: Write the proportion equation
488,693,173.84 : 674,205,755.88 = 279,737,648.08 : x - Step 2: Convert to fraction form
488,693,173.84/674,205,755.88 = 279,737,648.08/x - Step 3: Cross multiply
488,693,173.84x = 674,205,755.88 × 279,737,648.08 - Step 4: Simplify right side
488,693,173.84x = 188,600,732,471,869,824 - Step 5: Solve for x
x = 188,600,732,471,869,824/488,693,173.84 - Step 6: Final answer
x = 385,928,722.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.