Finding the Fourth Proportional to 235,117,408,666.68, 324,452,678,408.46 and 138,804,520,321.08
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Solution
The fourth proportional to 235,117,408,666.68, 324,452,678,408.46 and 138,804,520,321.08 is: 191,544,720,779.15
Step by Step Solution
- Step 1: Write the proportion equation
235,117,408,666.68 : 324,452,678,408.46 = 138,804,520,321.08 : x - Step 2: Convert to fraction form
235,117,408,666.68/324,452,678,408.46 = 138,804,520,321.08/x - Step 3: Cross multiply
235,117,408,666.68x = 324,452,678,408.46 × 138,804,520,321.08 - Step 4: Simplify right side
235,117,408,666.68x = 45,035,498,393,375,921,405,952 - Step 5: Solve for x
x = 45,035,498,393,375,921,405,952/235,117,408,666.68 - Step 6: Final answer
x = 191,544,720,779.15
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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.