Finding the Fourth Proportional to 520,627,668.26, 780,392,451.26 and 170,782,383.02
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Solution
The fourth proportional to 520,627,668.26, 780,392,451.26 and 170,782,383.02 is: 255,993,468.34
Step by Step Solution
- Step 1: Write the proportion equation
520,627,668.26 : 780,392,451.26 = 170,782,383.02 : x - Step 2: Convert to fraction form
520,627,668.26/780,392,451.26 = 170,782,383.02/x - Step 3: Cross multiply
520,627,668.26x = 780,392,451.26 × 170,782,383.02 - Step 4: Simplify right side
520,627,668.26x = 133,277,282,512,246,112 - Step 5: Solve for x
x = 133,277,282,512,246,112/520,627,668.26 - Step 6: Final answer
x = 255,993,468.34
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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.