Finding the Fourth Proportional to 359,146,096.16, 495,579,497.20 and 202,503,868.70
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Solution
The fourth proportional to 359,146,096.16, 495,579,497.20 and 202,503,868.70 is: 279,431,592.05
Step by Step Solution
- Step 1: Write the proportion equation
359,146,096.16 : 495,579,497.20 = 202,503,868.70 : x - Step 2: Convert to fraction form
359,146,096.16/495,579,497.20 = 202,503,868.70/x - Step 3: Cross multiply
359,146,096.16x = 495,579,497.20 × 202,503,868.70 - Step 4: Simplify right side
359,146,096.16x = 100,356,765,428,416,656 - Step 5: Solve for x
x = 100,356,765,428,416,656/359,146,096.16 - Step 6: Final answer
x = 279,431,592.05
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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.