Finding the Fourth Proportional to 253,253,057,906.08, 349,489,219,910.35 and 144,866,155,176.82
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Solution
The fourth proportional to 253,253,057,906.08, 349,489,219,910.35 and 144,866,155,176.82 is: 199,915,294,143.99
Step by Step Solution
- Step 1: Write the proportion equation
253,253,057,906.08 : 349,489,219,910.35 = 144,866,155,176.82 : x - Step 2: Convert to fraction form
253,253,057,906.08/349,489,219,910.35 = 144,866,155,176.82/x - Step 3: Cross multiply
253,253,057,906.08x = 349,489,219,910.35 × 144,866,155,176.82 - Step 4: Simplify right side
253,253,057,906.08x = 50,629,159,564,158,529,699,840 - Step 5: Solve for x
x = 50,629,159,564,158,529,699,840/253,253,057,906.08 - Step 6: Final answer
x = 199,915,294,143.99
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1.5x scale
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.