Finding the Fourth Proportional to 352,269,619.80, 528,404,429.70 and 344,711,347.80
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Solution
The fourth proportional to 352,269,619.80, 528,404,429.70 and 344,711,347.80 is: 517,067,021.70
Step by Step Solution
- Step 1: Write the proportion equation
352,269,619.80 : 528,404,429.70 = 344,711,347.80 : x - Step 2: Convert to fraction form
352,269,619.80/528,404,429.70 = 344,711,347.80/x - Step 3: Cross multiply
352,269,619.80x = 528,404,429.70 × 344,711,347.80 - Step 4: Simplify right side
352,269,619.80x = 182,147,003,145,377,344 - Step 5: Solve for x
x = 182,147,003,145,377,344/352,269,619.80 - Step 6: Final answer
x = 517,067,021.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.