Finding the Fourth Proportional to 537,715,469.80, 806,573,204.70 and 265,216,781.80
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Solution
The fourth proportional to 537,715,469.80, 806,573,204.70 and 265,216,781.80 is: 397,825,172.70
Step by Step Solution
- Step 1: Write the proportion equation
537,715,469.80 : 806,573,204.70 = 265,216,781.80 : x - Step 2: Convert to fraction form
537,715,469.80/806,573,204.70 = 265,216,781.80/x - Step 3: Cross multiply
537,715,469.80x = 806,573,204.70 × 265,216,781.80 - Step 4: Simplify right side
537,715,469.80x = 213,916,749,636,646,656 - Step 5: Solve for x
x = 213,916,749,636,646,656/537,715,469.80 - Step 6: Final answer
x = 397,825,172.70
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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.