Finding the Fourth Proportional to 625,170,960.93, 937,891,860.45 and 188,435,109.09
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Solution
The fourth proportional to 625,170,960.93, 937,891,860.45 and 188,435,109.09 is: 282,693,480.80
Step by Step Solution
- Step 1: Write the proportion equation
625,170,960.93 : 937,891,860.45 = 188,435,109.09 : x - Step 2: Convert to fraction form
625,170,960.93/937,891,860.45 = 188,435,109.09/x - Step 3: Cross multiply
625,170,960.93x = 937,891,860.45 × 188,435,109.09 - Step 4: Simplify right side
625,170,960.93x = 176,731,755,038,518,816 - Step 5: Solve for x
x = 176,731,755,038,518,816/625,170,960.93 - Step 6: Final answer
x = 282,693,480.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.