Finding the Fourth Proportional to 319,719,317.08, 441,223,356.18 and 195,936,089.08
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Solution
The fourth proportional to 319,719,317.08, 441,223,356.18 and 195,936,089.08 is: 270,398,359.44
Step by Step Solution
- Step 1: Write the proportion equation
319,719,317.08 : 441,223,356.18 = 195,936,089.08 : x - Step 2: Convert to fraction form
319,719,317.08/441,223,356.18 = 195,936,089.08/x - Step 3: Cross multiply
319,719,317.08x = 441,223,356.18 × 195,936,089.08 - Step 4: Simplify right side
319,719,317.08x = 86,451,578,820,661,056 - Step 5: Solve for x
x = 86,451,578,820,661,056/319,719,317.08 - Step 6: Final answer
x = 270,398,359.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.