Finding the Fourth Proportional to 486,026,475.98, 670,718,302.79 and 263,008,134.11
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Solution
The fourth proportional to 486,026,475.98, 670,718,302.79 and 263,008,134.11 is: 362,952,180.68
Step by Step Solution
- Step 1: Write the proportion equation
486,026,475.98 : 670,718,302.79 = 263,008,134.11 : x - Step 2: Convert to fraction form
486,026,475.98/670,718,302.79 = 263,008,134.11/x - Step 3: Cross multiply
486,026,475.98x = 670,718,302.79 × 263,008,134.11 - Step 4: Simplify right side
486,026,475.98x = 176,404,369,325,555,264 - Step 5: Solve for x
x = 176,404,369,325,555,264/486,026,475.98 - Step 6: Final answer
x = 362,952,180.68
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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.