Finding the Fourth Proportional to 474,204,331.12, 654,409,725.42 and 259,619,396.08
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Solution
The fourth proportional to 474,204,331.12, 654,409,725.42 and 259,619,396.08 is: 358,279,008.76
Step by Step Solution
- Step 1: Write the proportion equation
474,204,331.12 : 654,409,725.42 = 259,619,396.08 : x - Step 2: Convert to fraction form
474,204,331.12/654,409,725.42 = 259,619,396.08/x - Step 3: Cross multiply
474,204,331.12x = 654,409,725.42 × 259,619,396.08 - Step 4: Simplify right side
474,204,331.12x = 169,897,457,702,419,008 - Step 5: Solve for x
x = 169,897,457,702,419,008/474,204,331.12 - Step 6: Final answer
x = 358,279,008.76
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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.