Finding the Fourth Proportional to 474,259,968, 654,478,755.84 and 257,204,736
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Solution
The fourth proportional to 474,259,968, 654,478,755.84 and 257,204,736 is: 354,942,535.68
Step by Step Solution
- Step 1: Write the proportion equation
474,259,968 : 654,478,755.84 = 257,204,736 : x - Step 2: Convert to fraction form
474,259,968/654,478,755.84 = 257,204,736/x - Step 3: Cross multiply
474,259,968x = 654,478,755.84 × 257,204,736 - Step 4: Simplify right side
474,259,968x = 168,335,035,613,435,680 - Step 5: Solve for x
x = 168,335,035,613,435,680/474,259,968 - Step 6: Final answer
x = 354,942,535.68
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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.