Finding the Fourth Proportional to 5,643,574,536.67, 7,787,691,687.59 and 3,137,295,631.39
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Solution
The fourth proportional to 5,643,574,536.67, 7,787,691,687.59 and 3,137,295,631.39 is: 4,329,222,720.69
Step by Step Solution
- Step 1: Write the proportion equation
5,643,574,536.67 : 7,787,691,687.59 = 3,137,295,631.39 : x - Step 2: Convert to fraction form
5,643,574,536.67/7,787,691,687.59 = 3,137,295,631.39/x - Step 3: Cross multiply
5,643,574,536.67x = 7,787,691,687.59 × 3,137,295,631.39 - Step 4: Simplify right side
5,643,574,536.67x = 24,432,291,110,064,775,168 - Step 5: Solve for x
x = 24,432,291,110,064,775,168/5,643,574,536.67 - Step 6: Final answer
x = 4,329,222,720.69
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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.