Finding the Fourth Proportional to 675,922,101.74, 932,475,370.16 and 407,848,408.01
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Solution
The fourth proportional to 675,922,101.74, 932,475,370.16 and 407,848,408.01 is: 562,651,515.98
Step by Step Solution
- Step 1: Write the proportion equation
675,922,101.74 : 932,475,370.16 = 407,848,408.01 : x - Step 2: Convert to fraction form
675,922,101.74/932,475,370.16 = 407,848,408.01/x - Step 3: Cross multiply
675,922,101.74x = 932,475,370.16 × 407,848,408.01 - Step 4: Simplify right side
675,922,101.74x = 380,308,595,225,861,568 - Step 5: Solve for x
x = 380,308,595,225,861,568/675,922,101.74 - Step 6: Final answer
x = 562,651,515.98
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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.