Finding the Fourth Proportional to 345,516,955.65, 474,275,341.37 and 305,481,733.65
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Solution
The fourth proportional to 345,516,955.65, 474,275,341.37 and 305,481,733.65 is: 419,320,820.99
Step by Step Solution
- Step 1: Write the proportion equation
345,516,955.65 : 474,275,341.37 = 305,481,733.65 : x - Step 2: Convert to fraction form
345,516,955.65/474,275,341.37 = 305,481,733.65/x - Step 3: Cross multiply
345,516,955.65x = 474,275,341.37 × 305,481,733.65 - Step 4: Simplify right side
345,516,955.65x = 144,882,453,509,916,864 - Step 5: Solve for x
x = 144,882,453,509,916,864/345,516,955.65 - Step 6: Final answer
x = 419,320,820.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.