Finding the Fourth Proportional to 2,113,382,611.11, 3,167,316,236.15 and 1,180,667,783.84
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Solution
The fourth proportional to 2,113,382,611.11, 3,167,316,236.15 and 1,180,667,783.84 is: 1,769,461,062.85
Step by Step Solution
- Step 1: Write the proportion equation
2,113,382,611.11 : 3,167,316,236.15 = 1,180,667,783.84 : x - Step 2: Convert to fraction form
2,113,382,611.11/3,167,316,236.15 = 1,180,667,783.84/x - Step 3: Cross multiply
2,113,382,611.11x = 3,167,316,236.15 × 1,180,667,783.84 - Step 4: Simplify right side
2,113,382,611.11x = 3,739,548,241,255,670,272 - Step 5: Solve for x
x = 3,739,548,241,255,670,272/2,113,382,611.11 - Step 6: Final answer
x = 1,769,461,062.85
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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.