Finding the Fourth Proportional to 366,955,319.80, 550,432,979.70 and 349,949,207.80
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Solution
The fourth proportional to 366,955,319.80, 550,432,979.70 and 349,949,207.80 is: 524,923,811.70
Step by Step Solution
- Step 1: Write the proportion equation
366,955,319.80 : 550,432,979.70 = 349,949,207.80 : x - Step 2: Convert to fraction form
366,955,319.80/550,432,979.70 = 349,949,207.80/x - Step 3: Cross multiply
366,955,319.80x = 550,432,979.70 × 349,949,207.80 - Step 4: Simplify right side
366,955,319.80x = 192,623,585,193,008,512 - Step 5: Solve for x
x = 192,623,585,193,008,512/366,955,319.80 - Step 6: Final answer
x = 524,923,811.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.