Finding the Fourth Proportional to 346,333,323.14, 477,987,535.28 and 212,347,537.71
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Solution
The fourth proportional to 346,333,323.14, 477,987,535.28 and 212,347,537.71 is: 293,068,755.99
Step by Step Solution
- Step 1: Write the proportion equation
346,333,323.14 : 477,987,535.28 = 212,347,537.71 : x - Step 2: Convert to fraction form
346,333,323.14/477,987,535.28 = 212,347,537.71/x - Step 3: Cross multiply
346,333,323.14x = 477,987,535.28 × 212,347,537.71 - Step 4: Simplify right side
346,333,323.14x = 101,499,476,171,518,176 - Step 5: Solve for x
x = 101,499,476,171,518,176/346,333,323.14 - Step 6: Final answer
x = 293,068,755.99
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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.