Finding the Fourth Proportional to 8,197,569,291.51, 11,313,403,917.39 and 4,981,737,095.01
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Solution
The fourth proportional to 8,197,569,291.51, 11,313,403,917.39 and 4,981,737,095.01 is: 6,875,258,013.92
Step by Step Solution
- Step 1: Write the proportion equation
8,197,569,291.51 : 11,313,403,917.39 = 4,981,737,095.01 : x - Step 2: Convert to fraction form
8,197,569,291.51/11,313,403,917.39 = 4,981,737,095.01/x - Step 3: Cross multiply
8,197,569,291.51x = 11,313,403,917.39 × 4,981,737,095.01 - Step 4: Simplify right side
8,197,569,291.51x = 56,360,403,966,093,213,696 - Step 5: Solve for x
x = 56,360,403,966,093,213,696/8,197,569,291.51 - Step 6: Final answer
x = 6,875,258,013.92
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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.