Finding the Fourth Proportional to 302,122,083,133.99, 417,116,669,344.64 and 192,318,407,156.03
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Solution
The fourth proportional to 302,122,083,133.99, 417,116,669,344.64 and 192,318,407,156.03 is: 265,519,198,777.05
Step by Step Solution
- Step 1: Write the proportion equation
302,122,083,133.99 : 417,116,669,344.64 = 192,318,407,156.03 : x - Step 2: Convert to fraction form
302,122,083,133.99/417,116,669,344.64 = 192,318,407,156.03/x - Step 3: Cross multiply
302,122,083,133.99x = 417,116,669,344.64 × 192,318,407,156.03 - Step 4: Simplify right side
302,122,083,133.99x = 80,219,213,446,589,613,867,008 - Step 5: Solve for x
x = 80,219,213,446,589,613,867,008/302,122,083,133.99 - Step 6: Final answer
x = 265,519,198,777.05
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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.