Finding the Fourth Proportional to 49,595,078,391.68, 68,439,236,853.24 and 29,279,078,506.28
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Solution
The fourth proportional to 49,595,078,391.68, 68,439,236,853.24 and 29,279,078,506.28 is: 40,403,964,540.81
Step by Step Solution
- Step 1: Write the proportion equation
49,595,078,391.68 : 68,439,236,853.24 = 29,279,078,506.28 : x - Step 2: Convert to fraction form
49,595,078,391.68/68,439,236,853.24 = 29,279,078,506.28/x - Step 3: Cross multiply
49,595,078,391.68x = 68,439,236,853.24 × 29,279,078,506.28 - Step 4: Simplify right side
49,595,078,391.68x = 2,003,837,788,736,110,723,072 - Step 5: Solve for x
x = 2,003,837,788,736,110,723,072/49,595,078,391.68 - Step 6: Final answer
x = 40,403,964,540.81
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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.