Finding the Fourth Proportional to 8,518,721,013.66, 12,778,341,838.92 and 2,922,579,601.81
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Solution
The fourth proportional to 8,518,721,013.66, 12,778,341,838.92 and 2,922,579,601.81 is: 4,383,958,712.05
Step by Step Solution
- Step 1: Write the proportion equation
8,518,721,013.66 : 12,778,341,838.92 = 2,922,579,601.81 : x - Step 2: Convert to fraction form
8,518,721,013.66/12,778,341,838.92 = 2,922,579,601.81/x - Step 3: Cross multiply
8,518,721,013.66x = 12,778,341,838.92 × 2,922,579,601.81 - Step 4: Simplify right side
8,518,721,013.66x = 37,345,721,203,382,878,208 - Step 5: Solve for x
x = 37,345,721,203,382,878,208/8,518,721,013.66 - Step 6: Final answer
x = 4,383,958,712.05
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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.