Finding the Fourth Proportional to 2,025,520,213.44, 2,795,335,042.32 and 1,133,439,151.80
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Solution
The fourth proportional to 2,025,520,213.44, 2,795,335,042.32 and 1,133,439,151.80 is: 1,564,211,582.95
Step by Step Solution
- Step 1: Write the proportion equation
2,025,520,213.44 : 2,795,335,042.32 = 1,133,439,151.80 : x - Step 2: Convert to fraction form
2,025,520,213.44/2,795,335,042.32 = 1,133,439,151.80/x - Step 3: Cross multiply
2,025,520,213.44x = 2,795,335,042.32 × 1,133,439,151.80 - Step 4: Simplify right side
2,025,520,213.44x = 3,168,342,179,363,998,208 - Step 5: Solve for x
x = 3,168,342,179,363,998,208/2,025,520,213.44 - Step 6: Final answer
x = 1,564,211,582.95
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1.5x scale
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.