Finding the Fourth Proportional to 7,925,578,117.93, 11,896,981,755.77 and 3,207,148,186.46
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Solution
The fourth proportional to 7,925,578,117.93, 11,896,981,755.77 and 3,207,148,186.46 is: 4,814,208,237.50
Step by Step Solution
- Step 1: Write the proportion equation
7,925,578,117.93 : 11,896,981,755.77 = 3,207,148,186.46 : x - Step 2: Convert to fraction form
7,925,578,117.93/11,896,981,755.77 = 3,207,148,186.46/x - Step 3: Cross multiply
7,925,578,117.93x = 11,896,981,755.77 × 3,207,148,186.46 - Step 4: Simplify right side
7,925,578,117.93x = 38,155,383,462,315,597,824 - Step 5: Solve for x
x = 38,155,383,462,315,597,824/7,925,578,117.93 - Step 6: Final answer
x = 4,814,208,237.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.