Finding the Fourth Proportional to 4,851,106,421.10, 7,276,659,631.65 and 4,810,291,752.30
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Solution
The fourth proportional to 4,851,106,421.10, 7,276,659,631.65 and 4,810,291,752.30 is: 7,215,437,628.45
Step by Step Solution
- Step 1: Write the proportion equation
4,851,106,421.10 : 7,276,659,631.65 = 4,810,291,752.30 : x - Step 2: Convert to fraction form
4,851,106,421.10/7,276,659,631.65 = 4,810,291,752.30/x - Step 3: Cross multiply
4,851,106,421.10x = 7,276,659,631.65 × 4,810,291,752.30 - Step 4: Simplify right side
4,851,106,421.10x = 35,002,855,810,420,350,976 - Step 5: Solve for x
x = 35,002,855,810,420,350,976/4,851,106,421.10 - Step 6: Final answer
x = 7,215,437,628.45
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Double scale
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Similar ratio
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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.