Finding the Fourth Proportional to 721,193,334,123.84, 1,081,824,793,466.60 and 237,136,837,722.66
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Solution
The fourth proportional to 721,193,334,123.84, 1,081,824,793,466.60 and 237,136,837,722.66 is: 355,716,696,694.52
Step by Step Solution
- Step 1: Write the proportion equation
721,193,334,123.84 : 1,081,824,793,466.60 = 237,136,837,722.66 : x - Step 2: Convert to fraction form
721,193,334,123.84/1,081,824,793,466.60 = 237,136,837,722.66/x - Step 3: Cross multiply
721,193,334,123.84x = 1,081,824,793,466.60 × 237,136,837,722.66 - Step 4: Simplify right side
721,193,334,123.84x = 256,540,510,492,639,285,477,376 - Step 5: Solve for x
x = 256,540,510,492,639,285,477,376/721,193,334,123.84 - Step 6: Final answer
x = 355,716,696,694.52
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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.