Finding the Fourth Proportional to 408,616,889.94, 563,903,302.50 and 222,989,884.92
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Solution
The fourth proportional to 408,616,889.94, 563,903,302.50 and 222,989,884.92 is: 307,732,586.75
Step by Step Solution
- Step 1: Write the proportion equation
408,616,889.94 : 563,903,302.50 = 222,989,884.92 : x - Step 2: Convert to fraction form
408,616,889.94/563,903,302.50 = 222,989,884.92/x - Step 3: Cross multiply
408,616,889.94x = 563,903,302.50 × 222,989,884.92 - Step 4: Simplify right side
408,616,889.94x = 125,744,732,530,482,944 - Step 5: Solve for x
x = 125,744,732,530,482,944/408,616,889.94 - Step 6: Final answer
x = 307,732,586.75
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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.