Finding the Fourth Proportional to 680,197,305,125.10, 938,672,245,174.58 and 367,337,658,905.28
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Solution
The fourth proportional to 680,197,305,125.10, 938,672,245,174.58 and 367,337,658,905.28 is: 506,925,949,902.69
Step by Step Solution
- Step 1: Write the proportion equation
680,197,305,125.10 : 938,672,245,174.58 = 367,337,658,905.28 : x - Step 2: Convert to fraction form
680,197,305,125.10/938,672,245,174.58 = 367,337,658,905.28/x - Step 3: Cross multiply
680,197,305,125.10x = 938,672,245,174.58 × 367,337,658,905.28 - Step 4: Simplify right side
680,197,305,125.10x = 344,809,665,021,793,240,350,720 - Step 5: Solve for x
x = 344,809,665,021,793,240,350,720/680,197,305,125.10 - Step 6: Final answer
x = 506,925,949,902.69
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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.