Finding the Fourth Proportional to 413,220,561, 570,218,213.86 and 227,581,576.68
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Solution
The fourth proportional to 413,220,561, 570,218,213.86 and 227,581,576.68 is: 314,048,168.00
Step by Step Solution
- Step 1: Write the proportion equation
413,220,561 : 570,218,213.86 = 227,581,576.68 : x - Step 2: Convert to fraction form
413,220,561/570,218,213.86 = 227,581,576.68/x - Step 3: Cross multiply
413,220,561x = 570,218,213.86 × 227,581,576.68 - Step 4: Simplify right side
413,220,561x = 129,771,160,161,912,240 - Step 5: Solve for x
x = 129,771,160,161,912,240/413,220,561 - Step 6: Final answer
x = 314,048,168.00
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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.