Finding the Fourth Proportional to 319,800,272.49, 478,315,589.39 and 188,329,159.48
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Solution
The fourth proportional to 319,800,272.49, 478,315,589.39 and 188,329,159.48 is: 281,678,224.39
Step by Step Solution
- Step 1: Write the proportion equation
319,800,272.49 : 478,315,589.39 = 188,329,159.48 : x - Step 2: Convert to fraction form
319,800,272.49/478,315,589.39 = 188,329,159.48/x - Step 3: Cross multiply
319,800,272.49x = 478,315,589.39 × 188,329,159.48 - Step 4: Simplify right side
319,800,272.49x = 90,080,772,915,999,504 - Step 5: Solve for x
x = 90,080,772,915,999,504/319,800,272.49 - Step 6: Final answer
x = 281,678,224.39
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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.