Finding the Fourth Proportional to 191,515,753,741.70, 264,247,893,509.36 and 114,338,573,080.99
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Solution
The fourth proportional to 191,515,753,741.70, 264,247,893,509.36 and 114,338,573,080.99 is: 157,761,053,559.42
Step by Step Solution
- Step 1: Write the proportion equation
191,515,753,741.70 : 264,247,893,509.36 = 114,338,573,080.99 : x - Step 2: Convert to fraction form
191,515,753,741.70/264,247,893,509.36 = 114,338,573,080.99/x - Step 3: Cross multiply
191,515,753,741.70x = 264,247,893,509.36 × 114,338,573,080.99 - Step 4: Simplify right side
191,515,753,741.70x = 30,213,727,083,517,620,256,768 - Step 5: Solve for x
x = 30,213,727,083,517,620,256,768/191,515,753,741.70 - Step 6: Final answer
x = 157,761,053,559.42
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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.