Finding the Fourth Proportional to 300,217,908.19, 414,087,135.63 and 275,517,857.29
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Solution
The fourth proportional to 300,217,908.19, 414,087,135.63 and 275,517,857.29 is: 380,018,637.22
Step by Step Solution
- Step 1: Write the proportion equation
300,217,908.19 : 414,087,135.63 = 275,517,857.29 : x - Step 2: Convert to fraction form
300,217,908.19/414,087,135.63 = 275,517,857.29/x - Step 3: Cross multiply
300,217,908.19x = 414,087,135.63 × 275,517,857.29 - Step 4: Simplify right side
300,217,908.19x = 114,088,400,340,131,216 - Step 5: Solve for x
x = 114,088,400,340,131,216/300,217,908.19 - Step 6: Final answer
x = 380,018,637.22
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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.