Finding the Fourth Proportional to 843,696,073.80, 1,265,544,110.70 and 358,958,896.20
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Solution
The fourth proportional to 843,696,073.80, 1,265,544,110.70 and 358,958,896.20 is: 538,438,344.30
Step by Step Solution
- Step 1: Write the proportion equation
843,696,073.80 : 1,265,544,110.70 = 358,958,896.20 : x - Step 2: Convert to fraction form
843,696,073.80/1,265,544,110.70 = 358,958,896.20/x - Step 3: Cross multiply
843,696,073.80x = 1,265,544,110.70 × 358,958,896.20 - Step 4: Simplify right side
843,696,073.80x = 454,278,317,069,282,624 - Step 5: Solve for x
x = 454,278,317,069,282,624/843,696,073.80 - Step 6: Final answer
x = 538,438,344.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.