Finding the Fourth Proportional to 5,328,945,158.70, 7,353,652,975.91 and 2,917,161,088.73
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Solution
The fourth proportional to 5,328,945,158.70, 7,353,652,975.91 and 2,917,161,088.73 is: 4,025,522,815.96
Step by Step Solution
- Step 1: Write the proportion equation
5,328,945,158.70 : 7,353,652,975.91 = 2,917,161,088.73 : x - Step 2: Convert to fraction form
5,328,945,158.70/7,353,652,975.91 = 2,917,161,088.73/x - Step 3: Cross multiply
5,328,945,158.70x = 7,353,652,975.91 × 2,917,161,088.73 - Step 4: Simplify right side
5,328,945,158.70x = 21,451,790,321,335,160,832 - Step 5: Solve for x
x = 21,451,790,321,335,160,832/5,328,945,158.70 - Step 6: Final answer
x = 4,025,522,815.96
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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.