Finding the Fourth Proportional to 284,872,654.80, 427,308,982.20 and 186,237,205.20
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Solution
The fourth proportional to 284,872,654.80, 427,308,982.20 and 186,237,205.20 is: 279,355,807.80
Step by Step Solution
- Step 1: Write the proportion equation
284,872,654.80 : 427,308,982.20 = 186,237,205.20 : x - Step 2: Convert to fraction form
284,872,654.80/427,308,982.20 = 186,237,205.20/x - Step 3: Cross multiply
284,872,654.80x = 427,308,982.20 × 186,237,205.20 - Step 4: Simplify right side
284,872,654.80x = 79,580,830,601,784,544 - Step 5: Solve for x
x = 79,580,830,601,784,544/284,872,654.80 - Step 6: Final answer
x = 279,355,807.80
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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.