Finding the Fourth Proportional to 7,247,366,235.09, 10,000,198,682.19 and 4,075,361,030.61
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Solution
The fourth proportional to 7,247,366,235.09, 10,000,198,682.19 and 4,075,361,030.61 is: 5,623,342,147.45
Step by Step Solution
- Step 1: Write the proportion equation
7,247,366,235.09 : 10,000,198,682.19 = 4,075,361,030.61 : x - Step 2: Convert to fraction form
7,247,366,235.09/10,000,198,682.19 = 4,075,361,030.61/x - Step 3: Cross multiply
7,247,366,235.09x = 10,000,198,682.19 × 4,075,361,030.61 - Step 4: Simplify right side
7,247,366,235.09x = 40,754,420,007,754,604,544 - Step 5: Solve for x
x = 40,754,420,007,754,604,544/7,247,366,235.09 - Step 6: Final answer
x = 5,623,342,147.45
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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.