Finding the Fourth Proportional to 303,668,584.24, 455,311,470.12 and 257,626,577.20
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Solution
The fourth proportional to 303,668,584.24, 455,311,470.12 and 257,626,577.20 is: 386,277,480.43
Step by Step Solution
- Step 1: Write the proportion equation
303,668,584.24 : 455,311,470.12 = 257,626,577.20 : x - Step 2: Convert to fraction form
303,668,584.24/455,311,470.12 = 257,626,577.20/x - Step 3: Cross multiply
303,668,584.24x = 455,311,470.12 × 257,626,577.20 - Step 4: Simplify right side
303,668,584.24x = 117,300,335,606,915,664 - Step 5: Solve for x
x = 117,300,335,606,915,664/303,668,584.24 - Step 6: Final answer
x = 386,277,480.43
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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.