Finding the Fourth Proportional to 7,312,659,832.29, 10,965,531,953.81 and 2,832,852,684.81
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Solution
The fourth proportional to 7,312,659,832.29, 10,965,531,953.81 and 2,832,852,684.81 is: 4,247,939,511.50
Step by Step Solution
- Step 1: Write the proportion equation
7,312,659,832.29 : 10,965,531,953.81 = 2,832,852,684.81 : x - Step 2: Convert to fraction form
7,312,659,832.29/10,965,531,953.81 = 2,832,852,684.81/x - Step 3: Cross multiply
7,312,659,832.29x = 10,965,531,953.81 × 2,832,852,684.81 - Step 4: Simplify right side
7,312,659,832.29x = 31,063,736,635,767,836,672 - Step 5: Solve for x
x = 31,063,736,635,767,836,672/7,312,659,832.29 - Step 6: Final answer
x = 4,247,939,511.50
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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.