Finding the Fourth Proportional to 7,150,468,963.80, 10,727,247,245.28 and 2,176,579,762.68
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Solution
The fourth proportional to 7,150,468,963.80, 10,727,247,245.28 and 2,176,579,762.68 is: 3,265,339,571.65
Step by Step Solution
- Step 1: Write the proportion equation
7,150,468,963.80 : 10,727,247,245.28 = 2,176,579,762.68 : x - Step 2: Convert to fraction form
7,150,468,963.80/10,727,247,245.28 = 2,176,579,762.68/x - Step 3: Cross multiply
7,150,468,963.80x = 10,727,247,245.28 × 2,176,579,762.68 - Step 4: Simplify right side
7,150,468,963.80x = 23,348,709,263,341,223,936 - Step 5: Solve for x
x = 23,348,709,263,341,223,936/7,150,468,963.80 - Step 6: Final answer
x = 3,265,339,571.65
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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.