Finding the Fourth Proportional to 464,115,849.05, 640,491,988.60 and 255,277,472.18
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Solution
The fourth proportional to 464,115,849.05, 640,491,988.60 and 255,277,472.18 is: 352,289,576.27
Step by Step Solution
- Step 1: Write the proportion equation
464,115,849.05 : 640,491,988.60 = 255,277,472.18 : x - Step 2: Convert to fraction form
464,115,849.05/640,491,988.60 = 255,277,472.18/x - Step 3: Cross multiply
464,115,849.05x = 640,491,988.60 × 255,277,472.18 - Step 4: Simplify right side
464,115,849.05x = 163,503,175,802,072,000 - Step 5: Solve for x
x = 163,503,175,802,072,000/464,115,849.05 - Step 6: Final answer
x = 352,289,576.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.