Finding the Fourth Proportional to 2,167,397,913.38, 2,991,006,796.65 and 1,177,324,070.18
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Solution
The fourth proportional to 2,167,397,913.38, 2,991,006,796.65 and 1,177,324,070.18 is: 1,624,705,954.56
Step by Step Solution
- Step 1: Write the proportion equation
2,167,397,913.38 : 2,991,006,796.65 = 1,177,324,070.18 : x - Step 2: Convert to fraction form
2,167,397,913.38/2,991,006,796.65 = 1,177,324,070.18/x - Step 3: Cross multiply
2,167,397,913.38x = 2,991,006,796.65 × 1,177,324,070.18 - Step 4: Simplify right side
2,167,397,913.38x = 3,521,384,295,768,022,016 - Step 5: Solve for x
x = 3,521,384,295,768,022,016/2,167,397,913.38 - Step 6: Final answer
x = 1,624,705,954.56
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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.