Finding the Fourth Proportional to 490,372,420,715.70, 735,558,631,073.55 and 490,372,420,715.70
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Solution
The fourth proportional to 490,372,420,715.70, 735,558,631,073.55 and 490,372,420,715.70 is: 735,558,631,073.55
Step by Step Solution
- Step 1: Write the proportion equation
490,372,420,715.70 : 735,558,631,073.55 = 490,372,420,715.70 : x - Step 2: Convert to fraction form
490,372,420,715.70/735,558,631,073.55 = 490,372,420,715.70/x - Step 3: Cross multiply
490,372,420,715.70x = 735,558,631,073.55 × 490,372,420,715.70 - Step 4: Simplify right side
490,372,420,715.70x = 360,697,666,497,863,269,482,496 - Step 5: Solve for x
x = 360,697,666,497,863,269,482,496/490,372,420,715.70 - Step 6: Final answer
x = 735,558,631,073.55
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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.