Finding the Fourth Proportional to 10,719,080,261.12, 14,782,064,910.24 and 7,096,369,349.12
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Solution
The fourth proportional to 10,719,080,261.12, 14,782,064,910.24 and 7,096,369,349.12 is: 9,786,193,385.10
Step by Step Solution
- Step 1: Write the proportion equation
10,719,080,261.12 : 14,782,064,910.24 = 7,096,369,349.12 : x - Step 2: Convert to fraction form
10,719,080,261.12/14,782,064,910.24 = 7,096,369,349.12/x - Step 3: Cross multiply
10,719,080,261.12x = 14,782,064,910.24 × 7,096,369,349.12 - Step 4: Simplify right side
10,719,080,261.12x = 104,898,992,345,729,417,216 - Step 5: Solve for x
x = 104,898,992,345,729,417,216/10,719,080,261.12 - Step 6: Final answer
x = 9,786,193,385.10
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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.