Finding the Fourth Proportional to 481,193,304.73, 663,932,935.25 and 272,349,447.41
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Solution
The fourth proportional to 481,193,304.73, 663,932,935.25 and 272,349,447.41 is: 375,777,813.73
Step by Step Solution
- Step 1: Write the proportion equation
481,193,304.73 : 663,932,935.25 = 272,349,447.41 : x - Step 2: Convert to fraction form
481,193,304.73/663,932,935.25 = 272,349,447.41/x - Step 3: Cross multiply
481,193,304.73x = 663,932,935.25 × 272,349,447.41 - Step 4: Simplify right side
481,193,304.73x = 180,821,768,031,752,800 - Step 5: Solve for x
x = 180,821,768,031,752,800/481,193,304.73 - Step 6: Final answer
x = 375,777,813.73
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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.