Finding the Fourth Proportional to 537,715,869.80, 806,573,804.70 and 265,217,181.80
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Solution
The fourth proportional to 537,715,869.80, 806,573,804.70 and 265,217,181.80 is: 397,825,772.70
Step by Step Solution
- Step 1: Write the proportion equation
537,715,869.80 : 806,573,804.70 = 265,217,181.80 : x - Step 2: Convert to fraction form
537,715,869.80/806,573,804.70 = 265,217,181.80/x - Step 3: Cross multiply
537,715,869.80x = 806,573,804.70 × 265,217,181.80 - Step 4: Simplify right side
537,715,869.80x = 213,917,231,396,237,632 - Step 5: Solve for x
x = 213,917,231,396,237,632/537,715,869.80 - Step 6: Final answer
x = 397,825,772.70
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1.5x scale
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.