Finding the Fourth Proportional to 11,455,646,524.56, 15,808,677,985.35 and 6,374,923,434.09
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Solution
The fourth proportional to 11,455,646,524.56, 15,808,677,985.35 and 6,374,923,434.09 is: 8,797,330,777.86
Step by Step Solution
- Step 1: Write the proportion equation
11,455,646,524.56 : 15,808,677,985.35 = 6,374,923,434.09 : x - Step 2: Convert to fraction form
11,455,646,524.56/15,808,677,985.35 = 6,374,923,434.09/x - Step 3: Cross multiply
11,455,646,524.56x = 15,808,677,985.35 × 6,374,923,434.09 - Step 4: Simplify right side
11,455,646,524.56x = 100,779,111,750,790,414,336 - Step 5: Solve for x
x = 100,779,111,750,790,414,336/11,455,646,524.56 - Step 6: Final answer
x = 8,797,330,777.86
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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.