Finding the Fourth Proportional to 6,257,129,534.93, 8,635,579,013.08 and 3,716,821,538.68
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Solution
The fourth proportional to 6,257,129,534.93, 8,635,579,013.08 and 3,716,821,538.68 is: 5,129,653,445.02
Step by Step Solution
- Step 1: Write the proportion equation
6,257,129,534.93 : 8,635,579,013.08 = 3,716,821,538.68 : x - Step 2: Convert to fraction form
6,257,129,534.93/8,635,579,013.08 = 3,716,821,538.68/x - Step 3: Cross multiply
6,257,129,534.93x = 8,635,579,013.08 × 3,716,821,538.68 - Step 4: Simplify right side
6,257,129,534.93x = 32,096,906,074,788,720,640 - Step 5: Solve for x
x = 32,096,906,074,788,720,640/6,257,129,534.93 - Step 6: Final answer
x = 5,129,653,445.02
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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.