Finding the Fourth Proportional to 8,613,543,156.48, 12,920,417,611.26 and 2,402,330,536.80
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Solution
The fourth proportional to 8,613,543,156.48, 12,920,417,611.26 and 2,402,330,536.80 is: 3,603,524,497.63
Step by Step Solution
- Step 1: Write the proportion equation
8,613,543,156.48 : 12,920,417,611.26 = 2,402,330,536.80 : x - Step 2: Convert to fraction form
8,613,543,156.48/12,920,417,611.26 = 2,402,330,536.80/x - Step 3: Cross multiply
8,613,543,156.48x = 12,920,417,611.26 × 2,402,330,536.80 - Step 4: Simplify right side
8,613,543,156.48x = 31,039,113,775,738,413,056 - Step 5: Solve for x
x = 31,039,113,775,738,413,056/8,613,543,156.48 - Step 6: Final answer
x = 3,603,524,497.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.