Finding the Fourth Proportional to 537,715,823.80, 806,573,735.70 and 265,217,135.80
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Solution
The fourth proportional to 537,715,823.80, 806,573,735.70 and 265,217,135.80 is: 397,825,703.70
Step by Step Solution
- Step 1: Write the proportion equation
537,715,823.80 : 806,573,735.70 = 265,217,135.80 : x - Step 2: Convert to fraction form
537,715,823.80/806,573,735.70 = 265,217,135.80/x - Step 3: Cross multiply
537,715,823.80x = 806,573,735.70 × 265,217,135.80 - Step 4: Simplify right side
537,715,823.80x = 213,917,175,993,860,224 - Step 5: Solve for x
x = 213,917,175,993,860,224/537,715,823.80 - Step 6: Final answer
x = 397,825,703.70
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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.