Finding the Fourth Proportional to 3,903,285,724,994, 5,386,664,950,891 and 2,169,168,371,394.40
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Solution
The fourth proportional to 3,903,285,724,994, 5,386,664,950,891 and 2,169,168,371,394.40 is: 2,993,524,958,716.54
Step by Step Solution
- Step 1: Write the proportion equation
3,903,285,724,994 : 5,386,664,950,891 = 2,169,168,371,394.40 : x - Step 2: Convert to fraction form
3,903,285,724,994/5,386,664,950,891 = 2,169,168,371,394.40/x - Step 3: Cross multiply
3,903,285,724,994x = 5,386,664,950,891 × 2,169,168,371,394.40 - Step 4: Simplify right side
3,903,285,724,994x = 11,684,583,238,771,525,849,972,736 - Step 5: Solve for x
x = 11,684,583,238,771,525,849,972,736/3,903,285,724,994 - Step 6: Final answer
x = 2,993,524,958,716.54
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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.