Finding the Fourth Proportional to 319,719,328.08, 441,223,371.36 and 195,936,100.08
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Solution
The fourth proportional to 319,719,328.08, 441,223,371.36 and 195,936,100.08 is: 270,398,374.62
Step by Step Solution
- Step 1: Write the proportion equation
319,719,328.08 : 441,223,371.36 = 195,936,100.08 : x - Step 2: Convert to fraction form
319,719,328.08/441,223,371.36 = 195,936,100.08/x - Step 3: Cross multiply
319,719,328.08x = 441,223,371.36 × 195,936,100.08 - Step 4: Simplify right side
319,719,328.08x = 86,451,586,648,427,968 - Step 5: Solve for x
x = 86,451,586,648,427,968/319,719,328.08 - Step 6: Final answer
x = 270,398,374.62
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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.