Finding the Fourth Proportional to 497,944,357.09, 746,919,379.67 and 206,811,480.01
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Solution
The fourth proportional to 497,944,357.09, 746,919,379.67 and 206,811,480.01 is: 310,218,401.23
Step by Step Solution
- Step 1: Write the proportion equation
497,944,357.09 : 746,919,379.67 = 206,811,480.01 : x - Step 2: Convert to fraction form
497,944,357.09/746,919,379.67 = 206,811,480.01/x - Step 3: Cross multiply
497,944,357.09x = 746,919,379.67 × 206,811,480.01 - Step 4: Simplify right side
497,944,357.09x = 154,471,502,357,703,776 - Step 5: Solve for x
x = 154,471,502,357,703,776/497,944,357.09 - Step 6: Final answer
x = 310,218,401.23
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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.