Finding the Fourth Proportional to 263,114,763.28, 363,014,900 and 153,085,218.64
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Solution
The fourth proportional to 263,114,763.28, 363,014,900 and 153,085,218.64 is: 211,209,035.34
Step by Step Solution
- Step 1: Write the proportion equation
263,114,763.28 : 363,014,900 = 153,085,218.64 : x - Step 2: Convert to fraction form
263,114,763.28/363,014,900 = 153,085,218.64/x - Step 3: Cross multiply
263,114,763.28x = 363,014,900 × 153,085,218.64 - Step 4: Simplify right side
263,114,763.28x = 55,572,215,336,077,728 - Step 5: Solve for x
x = 55,572,215,336,077,728/263,114,763.28 - Step 6: Final answer
x = 211,209,035.34
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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.