Finding the Fourth Proportional to 363,941,773.80, 545,912,660.70 and 202,383,709.80
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Solution
The fourth proportional to 363,941,773.80, 545,912,660.70 and 202,383,709.80 is: 303,575,564.70
Step by Step Solution
- Step 1: Write the proportion equation
363,941,773.80 : 545,912,660.70 = 202,383,709.80 : x - Step 2: Convert to fraction form
363,941,773.80/545,912,660.70 = 202,383,709.80/x - Step 3: Cross multiply
363,941,773.80x = 545,912,660.70 × 202,383,709.80 - Step 4: Simplify right side
363,941,773.80x = 110,483,829,499,254,688 - Step 5: Solve for x
x = 110,483,829,499,254,688/363,941,773.80 - Step 6: Final answer
x = 303,575,564.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.