Finding the Fourth Proportional to 4,112,119,243.74, 6,168,764,543.94 and 1,276,158,527.46
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Solution
The fourth proportional to 4,112,119,243.74, 6,168,764,543.94 and 1,276,158,527.46 is: 1,914,419,551.09
Step by Step Solution
- Step 1: Write the proportion equation
4,112,119,243.74 : 6,168,764,543.94 = 1,276,158,527.46 : x - Step 2: Convert to fraction form
4,112,119,243.74/6,168,764,543.94 = 1,276,158,527.46/x - Step 3: Cross multiply
4,112,119,243.74x = 6,168,764,543.94 × 1,276,158,527.46 - Step 4: Simplify right side
4,112,119,243.74x = 7,872,321,476,641,928,192 - Step 5: Solve for x
x = 7,872,321,476,641,928,192/4,112,119,243.74 - Step 6: Final answer
x = 1,914,419,551.09
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1.5x scale
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.