Finding the Fourth Proportional to 319,719,292.08, 441,223,321.68 and 195,936,064.08
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Solution
The fourth proportional to 319,719,292.08, 441,223,321.68 and 195,936,064.08 is: 270,398,324.94
Step by Step Solution
- Step 1: Write the proportion equation
319,719,292.08 : 441,223,321.68 = 195,936,064.08 : x - Step 2: Convert to fraction form
319,719,292.08/441,223,321.68 = 195,936,064.08/x - Step 3: Cross multiply
319,719,292.08x = 441,223,321.68 × 195,936,064.08 - Step 4: Simplify right side
319,719,292.08x = 86,451,561,030,282,944 - Step 5: Solve for x
x = 86,451,561,030,282,944/319,719,292.08 - Step 6: Final answer
x = 270,398,324.94
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1.5x scale
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.