Finding the Fourth Proportional to 328,771,456.79, 493,095,530.01 and 164,965,231.31
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Solution
The fourth proportional to 328,771,456.79, 493,095,530.01 and 164,965,231.31 is: 247,416,910.70
Step by Step Solution
- Step 1: Write the proportion equation
328,771,456.79 : 493,095,530.01 = 164,965,231.31 : x - Step 2: Convert to fraction form
328,771,456.79/493,095,530.01 = 164,965,231.31/x - Step 3: Cross multiply
328,771,456.79x = 493,095,530.01 × 164,965,231.31 - Step 4: Simplify right side
328,771,456.79x = 81,343,618,166,026,704 - Step 5: Solve for x
x = 81,343,618,166,026,704/328,771,456.79 - Step 6: Final answer
x = 247,416,910.70
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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.