Finding the Fourth Proportional to 1,407,533,141.40, 2,112,307,481.70 and 590,231,995.80
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Solution
The fourth proportional to 1,407,533,141.40, 2,112,307,481.70 and 590,231,995.80 is: 885,770,589.69
Step by Step Solution
- Step 1: Write the proportion equation
1,407,533,141.40 : 2,112,307,481.70 = 590,231,995.80 : x - Step 2: Convert to fraction form
1,407,533,141.40/2,112,307,481.70 = 590,231,995.80/x - Step 3: Cross multiply
1,407,533,141.40x = 2,112,307,481.70 × 590,231,995.80 - Step 4: Simplify right side
1,407,533,141.40x = 1,246,751,460,667,062,784 - Step 5: Solve for x
x = 1,246,751,460,667,062,784/1,407,533,141.40 - Step 6: Final answer
x = 885,770,589.69
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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.