Finding the Fourth Proportional to 408,293,872.08, 563,446,434.60 and 232,082,946.96
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Solution
The fourth proportional to 408,293,872.08, 563,446,434.60 and 232,082,946.96 is: 320,274,973.34
Step by Step Solution
- Step 1: Write the proportion equation
408,293,872.08 : 563,446,434.60 = 232,082,946.96 : x - Step 2: Convert to fraction form
408,293,872.08/563,446,434.60 = 232,082,946.96/x - Step 3: Cross multiply
408,293,872.08x = 563,446,434.60 × 232,082,946.96 - Step 4: Simplify right side
408,293,872.08x = 130,766,308,996,072,912 - Step 5: Solve for x
x = 130,766,308,996,072,912/408,293,872.08 - Step 6: Final answer
x = 320,274,973.34
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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.