Finding the Fourth Proportional to 1,366,356,427.20, 2,049,534,640.80 and 849,795,775.20
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Solution
The fourth proportional to 1,366,356,427.20, 2,049,534,640.80 and 849,795,775.20 is: 1,274,693,662.80
Step by Step Solution
- Step 1: Write the proportion equation
1,366,356,427.20 : 2,049,534,640.80 = 849,795,775.20 : x - Step 2: Convert to fraction form
1,366,356,427.20/2,049,534,640.80 = 849,795,775.20/x - Step 3: Cross multiply
1,366,356,427.20x = 2,049,534,640.80 × 849,795,775.20 - Step 4: Simplify right side
1,366,356,427.20x = 1,741,685,878,877,889,536 - Step 5: Solve for x
x = 1,741,685,878,877,889,536/1,366,356,427.20 - Step 6: Final answer
x = 1,274,693,662.80
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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.