Finding the Fourth Proportional to 373,754,147.28, 515,765,113.12 and 214,972,197.92
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Solution
The fourth proportional to 373,754,147.28, 515,765,113.12 and 214,972,197.92 is: 296,652,654.65
Step by Step Solution
- Step 1: Write the proportion equation
373,754,147.28 : 515,765,113.12 = 214,972,197.92 : x - Step 2: Convert to fraction form
373,754,147.28/515,765,113.12 = 214,972,197.92/x - Step 3: Cross multiply
373,754,147.28x = 515,765,113.12 × 214,972,197.92 - Step 4: Simplify right side
373,754,147.28x = 110,875,159,977,863,824 - Step 5: Solve for x
x = 110,875,159,977,863,824/373,754,147.28 - Step 6: Final answer
x = 296,652,654.65
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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.