Finding the Fourth Proportional to 360,676,337.48, 497,691,355.24 and 201,915,153.98
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Solution
The fourth proportional to 360,676,337.48, 497,691,355.24 and 201,915,153.98 is: 278,619,405.22
Step by Step Solution
- Step 1: Write the proportion equation
360,676,337.48 : 497,691,355.24 = 201,915,153.98 : x - Step 2: Convert to fraction form
360,676,337.48/497,691,355.24 = 201,915,153.98/x - Step 3: Cross multiply
360,676,337.48x = 497,691,355.24 × 201,915,153.98 - Step 4: Simplify right side
360,676,337.48x = 100,491,426,624,806,240 - Step 5: Solve for x
x = 100,491,426,624,806,240/360,676,337.48 - Step 6: Final answer
x = 278,619,405.22
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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.