Finding the Fourth Proportional to 459,716,795.70, 634,422,653.19 and 250,886,365.26
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Solution
The fourth proportional to 459,716,795.70, 634,422,653.19 and 250,886,365.26 is: 346,230,537.99
Step by Step Solution
- Step 1: Write the proportion equation
459,716,795.70 : 634,422,653.19 = 250,886,365.26 : x - Step 2: Convert to fraction form
459,716,795.70/634,422,653.19 = 250,886,365.26/x - Step 3: Cross multiply
459,716,795.70x = 634,422,653.19 × 250,886,365.26 - Step 4: Simplify right side
459,716,795.70x = 159,167,993,497,444,640 - Step 5: Solve for x
x = 159,167,993,497,444,640/459,716,795.70 - Step 6: Final answer
x = 346,230,537.99
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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.