Finding the Fourth Proportional to 335,235,006.70, 462,620,964.18 and 186,553,582.78
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Solution
The fourth proportional to 335,235,006.70, 462,620,964.18 and 186,553,582.78 is: 257,442,082.75
Step by Step Solution
- Step 1: Write the proportion equation
335,235,006.70 : 462,620,964.18 = 186,553,582.78 : x - Step 2: Convert to fraction form
335,235,006.70/462,620,964.18 = 186,553,582.78/x - Step 3: Cross multiply
335,235,006.70x = 462,620,964.18 × 186,553,582.78 - Step 4: Simplify right side
335,235,006.70x = 86,303,598,336,917,040 - Step 5: Solve for x
x = 86,303,598,336,917,040/335,235,006.70 - Step 6: Final answer
x = 257,442,082.75
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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.