Finding the Fourth Proportional to 299,551,845.60, 449,327,768.40 and 196,239,715.20
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Solution
The fourth proportional to 299,551,845.60, 449,327,768.40 and 196,239,715.20 is: 294,359,572.80
Step by Step Solution
- Step 1: Write the proportion equation
299,551,845.60 : 449,327,768.40 = 196,239,715.20 : x - Step 2: Convert to fraction form
299,551,845.60/449,327,768.40 = 196,239,715.20/x - Step 3: Cross multiply
299,551,845.60x = 449,327,768.40 × 196,239,715.20 - Step 4: Simplify right side
299,551,845.60x = 88,175,953,302,267,552 - Step 5: Solve for x
x = 88,175,953,302,267,552/299,551,845.60 - Step 6: Final answer
x = 294,359,572.80
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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.