Finding the Fourth Proportional to 328,771,456.29, 493,095,529.26 and 164,965,230.81
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Solution
The fourth proportional to 328,771,456.29, 493,095,529.26 and 164,965,230.81 is: 247,416,909.95
Step by Step Solution
- Step 1: Write the proportion equation
328,771,456.29 : 493,095,529.26 = 164,965,230.81 : x - Step 2: Convert to fraction form
328,771,456.29/493,095,529.26 = 164,965,230.81/x - Step 3: Cross multiply
328,771,456.29x = 493,095,529.26 × 164,965,230.81 - Step 4: Simplify right side
328,771,456.29x = 81,343,617,795,755,008 - Step 5: Solve for x
x = 81,343,617,795,755,008/328,771,456.29 - Step 6: Final answer
x = 247,416,909.95
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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.