Finding the Fourth Proportional to 304,313,848.57, 419,736,619.49 and 279,276,808.35
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Solution
The fourth proportional to 304,313,848.57, 419,736,619.49 and 279,276,808.35 is: 385,203,315.56
Step by Step Solution
- Step 1: Write the proportion equation
304,313,848.57 : 419,736,619.49 = 279,276,808.35 : x - Step 2: Convert to fraction form
304,313,848.57/419,736,619.49 = 279,276,808.35/x - Step 3: Cross multiply
304,313,848.57x = 419,736,619.49 × 279,276,808.35 - Step 4: Simplify right side
304,313,848.57x = 117,222,703,438,785,616 - Step 5: Solve for x
x = 117,222,703,438,785,616/304,313,848.57 - Step 6: Final answer
x = 385,203,315.56
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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.