Finding the Fourth Proportional to 4,861,047,112.80, 7,291,769,734.80 and 1,414,475,080.80
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Solution
The fourth proportional to 4,861,047,112.80, 7,291,769,734.80 and 1,414,475,080.80 is: 2,121,770,545.62
Step by Step Solution
- Step 1: Write the proportion equation
4,861,047,112.80 : 7,291,769,734.80 = 1,414,475,080.80 : x - Step 2: Convert to fraction form
4,861,047,112.80/7,291,769,734.80 = 1,414,475,080.80/x - Step 3: Cross multiply
4,861,047,112.80x = 7,291,769,734.80 × 1,414,475,080.80 - Step 4: Simplify right side
4,861,047,112.80x = 10,314,026,584,806,223,872 - Step 5: Solve for x
x = 10,314,026,584,806,223,872/4,861,047,112.80 - Step 6: Final answer
x = 2,121,770,545.62
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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.