Finding the Fourth Proportional to 461,437,816.68, 636,743,836.26 and 273,232,346.76
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Solution
The fourth proportional to 461,437,816.68, 636,743,836.26 and 273,232,346.76 is: 377,036,745.53
Step by Step Solution
- Step 1: Write the proportion equation
461,437,816.68 : 636,743,836.26 = 273,232,346.76 : x - Step 2: Convert to fraction form
461,437,816.68/636,743,836.26 = 273,232,346.76/x - Step 3: Cross multiply
461,437,816.68x = 636,743,836.26 × 273,232,346.76 - Step 4: Simplify right side
461,437,816.68x = 173,979,012,666,284,960 - Step 5: Solve for x
x = 173,979,012,666,284,960/461,437,816.68 - Step 6: Final answer
x = 377,036,745.53
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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.