Finding the Fourth Proportional to 303,563,680.99, 418,910,169.66 and 169,602,628.47
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Solution
The fourth proportional to 303,563,680.99, 418,910,169.66 and 169,602,628.47 is: 234,047,319.61
Step by Step Solution
- Step 1: Write the proportion equation
303,563,680.99 : 418,910,169.66 = 169,602,628.47 : x - Step 2: Convert to fraction form
303,563,680.99/418,910,169.66 = 169,602,628.47/x - Step 3: Cross multiply
303,563,680.99x = 418,910,169.66 × 169,602,628.47 - Step 4: Simplify right side
303,563,680.99x = 71,048,265,864,942,728 - Step 5: Solve for x
x = 71,048,265,864,942,728/303,563,680.99 - Step 6: Final answer
x = 234,047,319.61
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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.