Finding the Fourth Proportional to 413,548,101.36, 570,696,469.79 and 225,376,439.85
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Solution
The fourth proportional to 413,548,101.36, 570,696,469.79 and 225,376,439.85 is: 311,019,535.99
Step by Step Solution
- Step 1: Write the proportion equation
413,548,101.36 : 570,696,469.79 = 225,376,439.85 : x - Step 2: Convert to fraction form
413,548,101.36/570,696,469.79 = 225,376,439.85/x - Step 3: Cross multiply
413,548,101.36x = 570,696,469.79 × 225,376,439.85 - Step 4: Simplify right side
413,548,101.36x = 128,621,538,595,106,384 - Step 5: Solve for x
x = 128,621,538,595,106,384/413,548,101.36 - Step 6: Final answer
x = 311,019,535.99
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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.