Finding the Fourth Proportional to 490,733,908.57, 677,201,894.17 and 270,717,276.25
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Solution
The fourth proportional to 490,733,908.57, 677,201,894.17 and 270,717,276.25 is: 373,583,828.34
Step by Step Solution
- Step 1: Write the proportion equation
490,733,908.57 : 677,201,894.17 = 270,717,276.25 : x - Step 2: Convert to fraction form
490,733,908.57/677,201,894.17 = 270,717,276.25/x - Step 3: Cross multiply
490,733,908.57x = 677,201,894.17 × 270,717,276.25 - Step 4: Simplify right side
490,733,908.57x = 183,330,252,261,043,136 - Step 5: Solve for x
x = 183,330,252,261,043,136/490,733,908.57 - Step 6: Final answer
x = 373,583,828.34
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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.