Finding the Fourth Proportional to 474,492,846.40, 711,846,593.04 and 256,138,502.08
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Solution
The fourth proportional to 474,492,846.40, 711,846,593.04 and 256,138,502.08 is: 384,265,687.96
Step by Step Solution
- Step 1: Write the proportion equation
474,492,846.40 : 711,846,593.04 = 256,138,502.08 : x - Step 2: Convert to fraction form
474,492,846.40/711,846,593.04 = 256,138,502.08/x - Step 3: Cross multiply
474,492,846.40x = 711,846,593.04 × 256,138,502.08 - Step 4: Simplify right side
474,492,846.40x = 182,331,320,052,016,960 - Step 5: Solve for x
x = 182,331,320,052,016,960/474,492,846.40 - Step 6: Final answer
x = 384,265,687.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.