Finding the Fourth Proportional to 5,150,871,163.60, 7,726,873,615.80 and 1,880,028,955.60
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Solution
The fourth proportional to 5,150,871,163.60, 7,726,873,615.80 and 1,880,028,955.60 is: 2,820,250,336.80
Step by Step Solution
- Step 1: Write the proportion equation
5,150,871,163.60 : 7,726,873,615.80 = 1,880,028,955.60 : x - Step 2: Convert to fraction form
5,150,871,163.60/7,726,873,615.80 = 1,880,028,955.60/x - Step 3: Cross multiply
5,150,871,163.60x = 7,726,873,615.80 × 1,880,028,955.60 - Step 4: Simplify right side
5,150,871,163.60x = 14,526,746,133,965,668,352 - Step 5: Solve for x
x = 14,526,746,133,965,668,352/5,150,871,163.60 - Step 6: Final answer
x = 2,820,250,336.80
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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.