Finding the Fourth Proportional to 3,069,205,131.48, 4,235,329,179.08 and 1,731,015,239.04
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Solution
The fourth proportional to 3,069,205,131.48, 4,235,329,179.08 and 1,731,015,239.04 is: 2,388,702,949.88
Step by Step Solution
- Step 1: Write the proportion equation
3,069,205,131.48 : 4,235,329,179.08 = 1,731,015,239.04 : x - Step 2: Convert to fraction form
3,069,205,131.48/4,235,329,179.08 = 1,731,015,239.04/x - Step 3: Cross multiply
3,069,205,131.48x = 4,235,329,179.08 × 1,731,015,239.04 - Step 4: Simplify right side
3,069,205,131.48x = 7,331,419,351,338,253,312 - Step 5: Solve for x
x = 7,331,419,351,338,253,312/3,069,205,131.48 - Step 6: Final answer
x = 2,388,702,949.88
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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.