Finding the Fourth Proportional to 5,565,545,678.82, 7,681,292,589 and 3,394,169,183.70
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Solution
The fourth proportional to 5,565,545,678.82, 7,681,292,589 and 3,394,169,183.70 is: 4,684,465,477.62
Step by Step Solution
- Step 1: Write the proportion equation
5,565,545,678.82 : 7,681,292,589 = 3,394,169,183.70 : x - Step 2: Convert to fraction form
5,565,545,678.82/7,681,292,589 = 3,394,169,183.70/x - Step 3: Cross multiply
5,565,545,678.82x = 7,681,292,589 × 3,394,169,183.70 - Step 4: Simplify right side
5,565,545,678.82x = 26,071,606,596,566,986,752 - Step 5: Solve for x
x = 26,071,606,596,566,986,752/5,565,545,678.82 - Step 6: Final answer
x = 4,684,465,477.62
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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.