Finding the Fourth Proportional to 5,917,863,907.77, 8,163,555,993.79 and 3,659,081,389.98
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Solution
The fourth proportional to 5,917,863,907.77, 8,163,555,993.79 and 3,659,081,389.98 is: 5,047,617,903.77
Step by Step Solution
- Step 1: Write the proportion equation
5,917,863,907.77 : 8,163,555,993.79 = 3,659,081,389.98 : x - Step 2: Convert to fraction form
5,917,863,907.77/8,163,555,993.79 = 3,659,081,389.98/x - Step 3: Cross multiply
5,917,863,907.77x = 8,163,555,993.79 × 3,659,081,389.98 - Step 4: Simplify right side
5,917,863,907.77x = 29,871,115,812,936,675,328 - Step 5: Solve for x
x = 29,871,115,812,936,675,328/5,917,863,907.77 - Step 6: Final answer
x = 5,047,617,903.77
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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.