Finding the Fourth Proportional to 245,616,184,669.68, 368,431,782,658.20 and 84,265,328,137.68
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Solution
The fourth proportional to 245,616,184,669.68, 368,431,782,658.20 and 84,265,328,137.68 is: 126,400,567,225.63
Step by Step Solution
- Step 1: Write the proportion equation
245,616,184,669.68 : 368,431,782,658.20 = 84,265,328,137.68 : x - Step 2: Convert to fraction form
245,616,184,669.68/368,431,782,658.20 = 84,265,328,137.68/x - Step 3: Cross multiply
245,616,184,669.68x = 368,431,782,658.20 × 84,265,328,137.68 - Step 4: Simplify right side
245,616,184,669.68x = 31,046,025,062,043,621,523,456 - Step 5: Solve for x
x = 31,046,025,062,043,621,523,456/245,616,184,669.68 - Step 6: Final answer
x = 126,400,567,225.63
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1.5x scale
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.