Finding the Fourth Proportional to 414,721,632.44, 572,292,883.08 and 226,512,453.12
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Solution
The fourth proportional to 414,721,632.44, 572,292,883.08 and 226,512,453.12 is: 312,574,639.74
Step by Step Solution
- Step 1: Write the proportion equation
414,721,632.44 : 572,292,883.08 = 226,512,453.12 : x - Step 2: Convert to fraction form
414,721,632.44/572,292,883.08 = 226,512,453.12/x - Step 3: Cross multiply
414,721,632.44x = 572,292,883.08 × 226,512,453.12 - Step 4: Simplify right side
414,721,632.44x = 129,631,464,849,568,160 - Step 5: Solve for x
x = 129,631,464,849,568,160/414,721,632.44 - Step 6: Final answer
x = 312,574,639.74
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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.