Finding the Fourth Proportional to 593,542,021.84, 819,085,366.28 and 339,219,135.56
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Solution
The fourth proportional to 593,542,021.84, 819,085,366.28 and 339,219,135.56 is: 468,120,907.49
Step by Step Solution
- Step 1: Write the proportion equation
593,542,021.84 : 819,085,366.28 = 339,219,135.56 : x - Step 2: Convert to fraction form
593,542,021.84/819,085,366.28 = 339,219,135.56/x - Step 3: Cross multiply
593,542,021.84x = 819,085,366.28 × 339,219,135.56 - Step 4: Simplify right side
593,542,021.84x = 277,849,429,899,347,552 - Step 5: Solve for x
x = 277,849,429,899,347,552/593,542,021.84 - Step 6: Final answer
x = 468,120,907.49
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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.