Finding the Fourth Proportional to 407,974,512.24, 562,988,399.94 and 222,331,542.12
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Solution
The fourth proportional to 407,974,512.24, 562,988,399.94 and 222,331,542.12 is: 306,808,576.02
Step by Step Solution
- Step 1: Write the proportion equation
407,974,512.24 : 562,988,399.94 = 222,331,542.12 : x - Step 2: Convert to fraction form
407,974,512.24/562,988,399.94 = 222,331,542.12/x - Step 3: Cross multiply
407,974,512.24x = 562,988,399.94 × 222,331,542.12 - Step 4: Simplify right side
407,974,512.24x = 125,170,079,154,331,536 - Step 5: Solve for x
x = 125,170,079,154,331,536/407,974,512.24 - Step 6: Final answer
x = 306,808,576.02
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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.