Finding the Fourth Proportional to 29,864,368,121.65, 41,212,844,543.19 and 16,131,161,315.96
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Solution
The fourth proportional to 29,864,368,121.65, 41,212,844,543.19 and 16,131,161,315.96 is: 22,261,011,547.54
Step by Step Solution
- Step 1: Write the proportion equation
29,864,368,121.65 : 41,212,844,543.19 = 16,131,161,315.96 : x - Step 2: Convert to fraction form
29,864,368,121.65/41,212,844,543.19 = 16,131,161,315.96/x - Step 3: Cross multiply
29,864,368,121.65x = 41,212,844,543.19 × 16,131,161,315.96 - Step 4: Simplify right side
29,864,368,121.65x = 664,811,043,615,862,161,408 - Step 5: Solve for x
x = 664,811,043,615,862,161,408/29,864,368,121.65 - Step 6: Final answer
x = 22,261,011,547.54
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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.