Finding the Fourth Proportional to 4,871,857,618.60, 6,722,395,568.92 and 2,837,643,257.32
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Solution
The fourth proportional to 4,871,857,618.60, 6,722,395,568.92 and 2,837,643,257.32 is: 3,915,500,400.99
Step by Step Solution
- Step 1: Write the proportion equation
4,871,857,618.60 : 6,722,395,568.92 = 2,837,643,257.32 : x - Step 2: Convert to fraction form
4,871,857,618.60/6,722,395,568.92 = 2,837,643,257.32/x - Step 3: Cross multiply
4,871,857,618.60x = 6,722,395,568.92 × 2,837,643,257.32 - Step 4: Simplify right side
4,871,857,618.60x = 19,075,760,459,183,685,632 - Step 5: Solve for x
x = 19,075,760,459,183,685,632/4,871,857,618.60 - Step 6: Final answer
x = 3,915,500,400.99
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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.