Finding the Fourth Proportional to 490,540,027.68, 735,513,668.64 and 195,480,539.28
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Solution
The fourth proportional to 490,540,027.68, 735,513,668.64 and 195,480,539.28 is: 293,102,704.12
Step by Step Solution
- Step 1: Write the proportion equation
490,540,027.68 : 735,513,668.64 = 195,480,539.28 : x - Step 2: Convert to fraction form
490,540,027.68/735,513,668.64 = 195,480,539.28/x - Step 3: Cross multiply
490,540,027.68x = 735,513,668.64 × 195,480,539.28 - Step 4: Simplify right side
490,540,027.68x = 143,778,608,593,558,416 - Step 5: Solve for x
x = 143,778,608,593,558,416/490,540,027.68 - Step 6: Final answer
x = 293,102,704.12
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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.