Finding the Fourth Proportional to 3,968,187,690.19, 5,952,410,452.95 and 1,169,921,578.99
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Solution
The fourth proportional to 3,968,187,690.19, 5,952,410,452.95 and 1,169,921,578.99 is: 1,754,920,376.66
Step by Step Solution
- Step 1: Write the proportion equation
3,968,187,690.19 : 5,952,410,452.95 = 1,169,921,578.99 : x - Step 2: Convert to fraction form
3,968,187,690.19/5,952,410,452.95 = 1,169,921,578.99/x - Step 3: Cross multiply
3,968,187,690.19x = 5,952,410,452.95 × 1,169,921,578.99 - Step 4: Simplify right side
3,968,187,690.19x = 6,963,853,435,927,279,616 - Step 5: Solve for x
x = 6,963,853,435,927,279,616/3,968,187,690.19 - Step 6: Final answer
x = 1,754,920,376.66
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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.