Finding the Fourth Proportional to 456,861,685.92, 685,292,511.60 and 133,745,557.92
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Solution
The fourth proportional to 456,861,685.92, 685,292,511.60 and 133,745,557.92 is: 200,618,331.82
Step by Step Solution
- Step 1: Write the proportion equation
456,861,685.92 : 685,292,511.60 = 133,745,557.92 : x - Step 2: Convert to fraction form
456,861,685.92/685,292,511.60 = 133,745,557.92/x - Step 3: Cross multiply
456,861,685.92x = 685,292,511.60 × 133,745,557.92 - Step 4: Simplify right side
456,861,685.92x = 91,654,829,302,340,080 - Step 5: Solve for x
x = 91,654,829,302,340,080/456,861,685.92 - Step 6: Final answer
x = 200,618,331.82
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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.