Finding the Fourth Proportional to 3,471,344,367.96, 4,790,490,415.74 and 1,885,451,649.24
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Solution
The fourth proportional to 3,471,344,367.96, 4,790,490,415.74 and 1,885,451,649.24 is: 2,601,942,388.20
Step by Step Solution
- Step 1: Write the proportion equation
3,471,344,367.96 : 4,790,490,415.74 = 1,885,451,649.24 : x - Step 2: Convert to fraction form
3,471,344,367.96/4,790,490,415.74 = 1,885,451,649.24/x - Step 3: Cross multiply
3,471,344,367.96x = 4,790,490,415.74 × 1,885,451,649.24 - Step 4: Simplify right side
3,471,344,367.96x = 9,032,238,055,025,395,712 - Step 5: Solve for x
x = 9,032,238,055,025,395,712/3,471,344,367.96 - Step 6: Final answer
x = 2,601,942,388.20
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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.