Finding the Fourth Proportional to 363,944,415.80, 545,916,623.70 and 202,386,351.80
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Solution
The fourth proportional to 363,944,415.80, 545,916,623.70 and 202,386,351.80 is: 303,579,527.70
Step by Step Solution
- Step 1: Write the proportion equation
363,944,415.80 : 545,916,623.70 = 202,386,351.80 : x - Step 2: Convert to fraction form
363,944,415.80/545,916,623.70 = 202,386,351.80/x - Step 3: Cross multiply
363,944,415.80x = 545,916,623.70 × 202,386,351.80 - Step 4: Simplify right side
363,944,415.80x = 110,486,073,857,616,432 - Step 5: Solve for x
x = 110,486,073,857,616,432/363,944,415.80 - Step 6: Final answer
x = 303,579,527.70
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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.