Finding the Fourth Proportional to 307,959,589.17, 424,841,776.07 and 272,713,313.97
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Solution
The fourth proportional to 307,959,589.17, 424,841,776.07 and 272,713,313.97 is: 376,218,220.63
Step by Step Solution
- Step 1: Write the proportion equation
307,959,589.17 : 424,841,776.07 = 272,713,313.97 : x - Step 2: Convert to fraction form
307,959,589.17/424,841,776.07 = 272,713,313.97/x - Step 3: Cross multiply
307,959,589.17x = 424,841,776.07 × 272,713,313.97 - Step 4: Simplify right side
307,959,589.17x = 115,860,008,663,586,784 - Step 5: Solve for x
x = 115,860,008,663,586,784/307,959,589.17 - Step 6: Final answer
x = 376,218,220.63
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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.