Finding the Fourth Proportional to 823,071,173.38, 1,234,346,572.68 and 270,282,472.72
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Solution
The fourth proportional to 823,071,173.38, 1,234,346,572.68 and 270,282,472.72 is: 405,338,267.99
Step by Step Solution
- Step 1: Write the proportion equation
823,071,173.38 : 1,234,346,572.68 = 270,282,472.72 : x - Step 2: Convert to fraction form
823,071,173.38/1,234,346,572.68 = 270,282,472.72/x - Step 3: Cross multiply
823,071,173.38x = 1,234,346,572.68 × 270,282,472.72 - Step 4: Simplify right side
823,071,173.38x = 333,622,243,853,294,592 - Step 5: Solve for x
x = 333,622,243,853,294,592/823,071,173.38 - Step 6: Final answer
x = 405,338,267.99
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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.