Finding the Fourth Proportional to 215,250,634,803.60, 322,874,777,720.79 and 87,764,826,378.96
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Solution
The fourth proportional to 215,250,634,803.60, 322,874,777,720.79 and 87,764,826,378.96 is: 131,646,760,692.09
Step by Step Solution
- Step 1: Write the proportion equation
215,250,634,803.60 : 322,874,777,720.79 = 87,764,826,378.96 : x - Step 2: Convert to fraction form
215,250,634,803.60/322,874,777,720.79 = 87,764,826,378.96/x - Step 3: Cross multiply
215,250,634,803.60x = 322,874,777,720.79 × 87,764,826,378.96 - Step 4: Simplify right side
215,250,634,803.60x = 28,337,048,808,810,438,721,536 - Step 5: Solve for x
x = 28,337,048,808,810,438,721,536/215,250,634,803.60 - Step 6: Final answer
x = 131,646,760,692.09
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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.