Finding the Fourth Proportional to 481,623,887.70, 664,696,101.87 and 269,987,879.07
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Solution
The fourth proportional to 481,623,887.70, 664,696,101.87 and 269,987,879.07 is: 372,614,181.63
Step by Step Solution
- Step 1: Write the proportion equation
481,623,887.70 : 664,696,101.87 = 269,987,879.07 : x - Step 2: Convert to fraction form
481,623,887.70/664,696,101.87 = 269,987,879.07/x - Step 3: Cross multiply
481,623,887.70x = 664,696,101.87 × 269,987,879.07 - Step 4: Simplify right side
481,623,887.70x = 179,459,890,769,977,952 - Step 5: Solve for x
x = 179,459,890,769,977,952/481,623,887.70 - Step 6: Final answer
x = 372,614,181.63
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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.