Finding the Fourth Proportional to 3,074,275,338.48, 4,239,329,140.80 and 2,629,710,463.68
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Solution
The fourth proportional to 3,074,275,338.48, 4,239,329,140.80 and 2,629,710,463.68 is: 3,626,288,140.49
Step by Step Solution
- Step 1: Write the proportion equation
3,074,275,338.48 : 4,239,329,140.80 = 2,629,710,463.68 : x - Step 2: Convert to fraction form
3,074,275,338.48/4,239,329,140.80 = 2,629,710,463.68/x - Step 3: Cross multiply
3,074,275,338.48x = 4,239,329,140.80 × 2,629,710,463.68 - Step 4: Simplify right side
3,074,275,338.48x = 11,148,208,200,545,304,576 - Step 5: Solve for x
x = 11,148,208,200,545,304,576/3,074,275,338.48 - Step 6: Final answer
x = 3,626,288,140.49
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1.5x scale
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.