Finding the Fourth Proportional to 293,318,473.40, 440,313,633.30 and 172,218,159.80
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Solution
The fourth proportional to 293,318,473.40, 440,313,633.30 and 172,218,159.80 is: 258,524,472.68
Step by Step Solution
- Step 1: Write the proportion equation
293,318,473.40 : 440,313,633.30 = 172,218,159.80 : x - Step 2: Convert to fraction form
293,318,473.40/440,313,633.30 = 172,218,159.80/x - Step 3: Cross multiply
293,318,473.40x = 440,313,633.30 × 172,218,159.80 - Step 4: Simplify right side
293,318,473.40x = 75,830,003,661,778,016 - Step 5: Solve for x
x = 75,830,003,661,778,016/293,318,473.40 - Step 6: Final answer
x = 258,524,472.68
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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.