Finding the Fourth Proportional to 852,473,030.74, 1,278,755,384.42 and 270,252,677.09
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Solution
The fourth proportional to 852,473,030.74, 1,278,755,384.42 and 270,252,677.09 is: 405,393,547.39
Step by Step Solution
- Step 1: Write the proportion equation
852,473,030.74 : 1,278,755,384.42 = 270,252,677.09 : x - Step 2: Convert to fraction form
852,473,030.74/1,278,755,384.42 = 270,252,677.09/x - Step 3: Cross multiply
852,473,030.74x = 1,278,755,384.42 × 270,252,677.09 - Step 4: Simplify right side
852,473,030.74x = 345,587,065,986,629,504 - Step 5: Solve for x
x = 345,587,065,986,629,504/852,473,030.74 - Step 6: Final answer
x = 405,393,547.39
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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.