Finding the Fourth Proportional to 742,699,537.80, 1,114,049,306.70 and 484,419,211.80
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Solution
The fourth proportional to 742,699,537.80, 1,114,049,306.70 and 484,419,211.80 is: 726,628,817.70
Step by Step Solution
- Step 1: Write the proportion equation
742,699,537.80 : 1,114,049,306.70 = 484,419,211.80 : x - Step 2: Convert to fraction form
742,699,537.80/1,114,049,306.70 = 484,419,211.80/x - Step 3: Cross multiply
742,699,537.80x = 1,114,049,306.70 × 484,419,211.80 - Step 4: Simplify right side
742,699,537.80x = 539,666,887,057,950,464 - Step 5: Solve for x
x = 539,666,887,057,950,464/742,699,537.80 - Step 6: Final answer
x = 726,628,817.70
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1.5x scale
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.