Finding the Fourth Proportional to 189,337,407,330.48, 261,293,835,438.12 and 104,851,042,914.48
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Solution
The fourth proportional to 189,337,407,330.48, 261,293,835,438.12 and 104,851,042,914.48 is: 144,698,987,585.65
Step by Step Solution
- Step 1: Write the proportion equation
189,337,407,330.48 : 261,293,835,438.12 = 104,851,042,914.48 : x - Step 2: Convert to fraction form
189,337,407,330.48/261,293,835,438.12 = 104,851,042,914.48/x - Step 3: Cross multiply
189,337,407,330.48x = 261,293,835,438.12 × 104,851,042,914.48 - Step 4: Simplify right side
189,337,407,330.48x = 27,396,931,152,811,393,024,000 - Step 5: Solve for x
x = 27,396,931,152,811,393,024,000/189,337,407,330.48 - Step 6: Final answer
x = 144,698,987,585.65
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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.