Finding the Fourth Proportional to 5,613,776,305.18, 7,747,072,523.16 and 3,107,691,867.94
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Solution
The fourth proportional to 5,613,776,305.18, 7,747,072,523.16 and 3,107,691,867.94 is: 4,288,648,669.23
Step by Step Solution
- Step 1: Write the proportion equation
5,613,776,305.18 : 7,747,072,523.16 = 3,107,691,867.94 : x - Step 2: Convert to fraction form
5,613,776,305.18/7,747,072,523.16 = 3,107,691,867.94/x - Step 3: Cross multiply
5,613,776,305.18x = 7,747,072,523.16 × 3,107,691,867.94 - Step 4: Simplify right side
5,613,776,305.18x = 24,075,514,280,534,573,056 - Step 5: Solve for x
x = 24,075,514,280,534,573,056/5,613,776,305.18 - Step 6: Final answer
x = 4,288,648,669.23
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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.