Finding the Fourth Proportional to 672,332,183.12, 927,818,451.48 and 363,282,839.12
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Solution
The fourth proportional to 672,332,183.12, 927,818,451.48 and 363,282,839.12 is: 501,330,338.94
Step by Step Solution
- Step 1: Write the proportion equation
672,332,183.12 : 927,818,451.48 = 363,282,839.12 : x - Step 2: Convert to fraction form
672,332,183.12/927,818,451.48 = 363,282,839.12/x - Step 3: Cross multiply
672,332,183.12x = 927,818,451.48 × 363,282,839.12 - Step 4: Simplify right side
672,332,183.12x = 337,060,521,241,576,384 - Step 5: Solve for x
x = 337,060,521,241,576,384/672,332,183.12 - Step 6: Final answer
x = 501,330,338.94
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1.5x scale
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.