Finding the Fourth Proportional to 490,446,129.05, 734,942,694.04 and 403,624,219.22
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Solution
The fourth proportional to 490,446,129.05, 734,942,694.04 and 403,624,219.22 is: 604,838,438.89
Step by Step Solution
- Step 1: Write the proportion equation
490,446,129.05 : 734,942,694.04 = 403,624,219.22 : x - Step 2: Convert to fraction form
490,446,129.05/734,942,694.04 = 403,624,219.22/x - Step 3: Cross multiply
490,446,129.05x = 734,942,694.04 × 403,624,219.22 - Step 4: Simplify right side
490,446,129.05x = 296,640,671,053,338,368 - Step 5: Solve for x
x = 296,640,671,053,338,368/490,446,129.05 - Step 6: Final answer
x = 604,838,438.89
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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.