Finding the Fourth Proportional to 721,193,334,125.84, 1,081,824,793,469.60 and 237,136,837,724.66
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Solution
The fourth proportional to 721,193,334,125.84, 1,081,824,793,469.60 and 237,136,837,724.66 is: 355,716,696,697.52
Step by Step Solution
- Step 1: Write the proportion equation
721,193,334,125.84 : 1,081,824,793,469.60 = 237,136,837,724.66 : x - Step 2: Convert to fraction form
721,193,334,125.84/1,081,824,793,469.60 = 237,136,837,724.66/x - Step 3: Cross multiply
721,193,334,125.84x = 1,081,824,793,469.60 × 237,136,837,724.66 - Step 4: Simplify right side
721,193,334,125.84x = 256,540,510,495,514,363,428,864 - Step 5: Solve for x
x = 256,540,510,495,514,363,428,864/721,193,334,125.84 - Step 6: Final answer
x = 355,716,696,697.52
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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.