Finding the Fourth Proportional to 401,528,086.70, 602,292,130.05 and 299,491,414.70
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Solution
The fourth proportional to 401,528,086.70, 602,292,130.05 and 299,491,414.70 is: 449,237,122.05
Step by Step Solution
- Step 1: Write the proportion equation
401,528,086.70 : 602,292,130.05 = 299,491,414.70 : x - Step 2: Convert to fraction form
401,528,086.70/602,292,130.05 = 299,491,414.70/x - Step 3: Cross multiply
401,528,086.70x = 602,292,130.05 × 299,491,414.70 - Step 4: Simplify right side
401,528,086.70x = 180,381,322,091,350,848 - Step 5: Solve for x
x = 180,381,322,091,350,848/401,528,086.70 - Step 6: Final answer
x = 449,237,122.05
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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.