Finding the Fourth Proportional to 53,434,843,789.51, 73,741,524,446.94 and 31,438,437,461.94
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Solution
The fourth proportional to 53,434,843,789.51, 73,741,524,446.94 and 31,438,437,461.94 is: 43,385,890,932.99
Step by Step Solution
- Step 1: Write the proportion equation
53,434,843,789.51 : 73,741,524,446.94 = 31,438,437,461.94 : x - Step 2: Convert to fraction form
53,434,843,789.51/73,741,524,446.94 = 31,438,437,461.94/x - Step 3: Cross multiply
53,434,843,789.51x = 73,741,524,446.94 × 31,438,437,461.94 - Step 4: Simplify right side
53,434,843,789.51x = 2,318,318,304,673,242,808,320 - Step 5: Solve for x
x = 2,318,318,304,673,242,808,320/53,434,843,789.51 - Step 6: Final answer
x = 43,385,890,932.99
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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.