Finding the Fourth Proportional to 467,364,308.15, 641,585,394.14 and 401,169,887.07
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Solution
The fourth proportional to 467,364,308.15, 641,585,394.14 and 401,169,887.07 is: 550,715,438.95
Step by Step Solution
- Step 1: Write the proportion equation
467,364,308.15 : 641,585,394.14 = 401,169,887.07 : x - Step 2: Convert to fraction form
467,364,308.15/641,585,394.14 = 401,169,887.07/x - Step 3: Cross multiply
467,364,308.15x = 641,585,394.14 × 401,169,887.07 - Step 4: Simplify right side
467,364,308.15x = 257,384,740,112,905,216 - Step 5: Solve for x
x = 257,384,740,112,905,216/467,364,308.15 - Step 6: Final answer
x = 550,715,438.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.