Finding the Fourth Proportional to 349,713,273.67, 482,430,093.78 and 208,484,979.99
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Solution
The fourth proportional to 349,713,273.67, 482,430,093.78 and 208,484,979.99 is: 287,605,407.12
Step by Step Solution
- Step 1: Write the proportion equation
349,713,273.67 : 482,430,093.78 = 208,484,979.99 : x - Step 2: Convert to fraction form
349,713,273.67/482,430,093.78 = 208,484,979.99/x - Step 3: Cross multiply
349,713,273.67x = 482,430,093.78 × 208,484,979.99 - Step 4: Simplify right side
349,713,273.67x = 100,579,428,449,981,072 - Step 5: Solve for x
x = 100,579,428,449,981,072/349,713,273.67 - Step 6: Final answer
x = 287,605,407.12
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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.