Finding the Fourth Proportional to 371,283,270.48, 512,340,918.12 and 214,660,470.96
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Solution
The fourth proportional to 371,283,270.48, 512,340,918.12 and 214,660,470.96 is: 296,214,107.99
Step by Step Solution
- Step 1: Write the proportion equation
371,283,270.48 : 512,340,918.12 = 214,660,470.96 : x - Step 2: Convert to fraction form
371,283,270.48/512,340,918.12 = 214,660,470.96/x - Step 3: Cross multiply
371,283,270.48x = 512,340,918.12 × 214,660,470.96 - Step 4: Simplify right side
371,283,270.48x = 109,979,342,775,718,000 - Step 5: Solve for x
x = 109,979,342,775,718,000/371,283,270.48 - Step 6: Final answer
x = 296,214,107.99
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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.