Finding the Fourth Proportional to 503,639,352,531.75, 754,690,296,736.35 and 299,029,621,196.55
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Solution
The fourth proportional to 503,639,352,531.75, 754,690,296,736.35 and 299,029,621,196.55 is: 448,088,006,664.56
Step by Step Solution
- Step 1: Write the proportion equation
503,639,352,531.75 : 754,690,296,736.35 = 299,029,621,196.55 : x - Step 2: Convert to fraction form
503,639,352,531.75/754,690,296,736.35 = 299,029,621,196.55/x - Step 3: Cross multiply
503,639,352,531.75x = 754,690,296,736.35 × 299,029,621,196.55 - Step 4: Simplify right side
503,639,352,531.75x = 225,674,753,553,782,651,486,208 - Step 5: Solve for x
x = 225,674,753,553,782,651,486,208/503,639,352,531.75 - Step 6: Final answer
x = 448,088,006,664.56
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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.