Finding the Fourth Proportional to 2,167,397,911.38, 2,991,006,793.89 and 1,177,324,068.18
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Solution
The fourth proportional to 2,167,397,911.38, 2,991,006,793.89 and 1,177,324,068.18 is: 1,624,705,951.80
Step by Step Solution
- Step 1: Write the proportion equation
2,167,397,911.38 : 2,991,006,793.89 = 1,177,324,068.18 : x - Step 2: Convert to fraction form
2,167,397,911.38/2,991,006,793.89 = 1,177,324,068.18/x - Step 3: Cross multiply
2,167,397,911.38x = 2,991,006,793.89 × 1,177,324,068.18 - Step 4: Simplify right side
2,167,397,911.38x = 3,521,384,286,536,593,408 - Step 5: Solve for x
x = 3,521,384,286,536,593,408/2,167,397,911.38 - Step 6: Final answer
x = 1,624,705,951.80
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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.