Finding the Fourth Proportional to 403,180,185.84, 604,278,956.52 and 208,984,539.12
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Solution
The fourth proportional to 403,180,185.84, 604,278,956.52 and 208,984,539.12 is: 313,222,136.56
Step by Step Solution
- Step 1: Write the proportion equation
403,180,185.84 : 604,278,956.52 = 208,984,539.12 : x - Step 2: Convert to fraction form
403,180,185.84/604,278,956.52 = 208,984,539.12/x - Step 3: Cross multiply
403,180,185.84x = 604,278,956.52 × 208,984,539.12 - Step 4: Simplify right side
403,180,185.84x = 126,284,959,228,246,720 - Step 5: Solve for x
x = 126,284,959,228,246,720/403,180,185.84 - Step 6: Final answer
x = 313,222,136.56
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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.