Finding the Fourth Proportional to 4,126,903,106.39, 5,695,365,385.68 and 3,107,804,168.42
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Solution
The fourth proportional to 4,126,903,106.39, 5,695,365,385.68 and 3,107,804,168.42 is: 4,288,949,808.12
Step by Step Solution
- Step 1: Write the proportion equation
4,126,903,106.39 : 5,695,365,385.68 = 3,107,804,168.42 : x - Step 2: Convert to fraction form
4,126,903,106.39/5,695,365,385.68 = 3,107,804,168.42/x - Step 3: Cross multiply
4,126,903,106.39x = 5,695,365,385.68 × 3,107,804,168.42 - Step 4: Simplify right side
4,126,903,106.39x = 17,700,080,286,291,286,016 - Step 5: Solve for x
x = 17,700,080,286,291,286,016/4,126,903,106.39 - Step 6: Final answer
x = 4,288,949,808.12
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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.