Finding the Fourth Proportional to 408,389,474.05, 563,625,120.39 and 232,203,868.32
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Solution
The fourth proportional to 408,389,474.05, 563,625,120.39 and 232,203,868.32 is: 320,468,429.17
Step by Step Solution
- Step 1: Write the proportion equation
408,389,474.05 : 563,625,120.39 = 232,203,868.32 : x - Step 2: Convert to fraction form
408,389,474.05/563,625,120.39 = 232,203,868.32/x - Step 3: Cross multiply
408,389,474.05x = 563,625,120.39 × 232,203,868.32 - Step 4: Simplify right side
408,389,474.05x = 130,875,933,236,883,696 - Step 5: Solve for x
x = 130,875,933,236,883,696/408,389,474.05 - Step 6: Final answer
x = 320,468,429.17
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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.