Finding the Fourth Proportional to 284,748,908.99, 426,893,509.51 and 261,764,736.22
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Solution
The fourth proportional to 284,748,908.99, 426,893,509.51 and 261,764,736.22 is: 392,435,803.55
Step by Step Solution
- Step 1: Write the proportion equation
284,748,908.99 : 426,893,509.51 = 261,764,736.22 : x - Step 2: Convert to fraction form
284,748,908.99/426,893,509.51 = 261,764,736.22/x - Step 3: Cross multiply
284,748,908.99x = 426,893,509.51 × 261,764,736.22 - Step 4: Simplify right side
284,748,908.99x = 111,745,666,910,794,416 - Step 5: Solve for x
x = 111,745,666,910,794,416/284,748,908.99 - Step 6: Final answer
x = 392,435,803.55
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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.