Finding the Fourth Proportional to 8,780,048,942.13, 13,172,660,561.84 and 3,536,959,118.13
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Solution
The fourth proportional to 8,780,048,942.13, 13,172,660,561.84 and 3,536,959,118.13 is: 5,306,480,885.39
Step by Step Solution
- Step 1: Write the proportion equation
8,780,048,942.13 : 13,172,660,561.84 = 3,536,959,118.13 : x - Step 2: Convert to fraction form
8,780,048,942.13/13,172,660,561.84 = 3,536,959,118.13/x - Step 3: Cross multiply
8,780,048,942.13x = 13,172,660,561.84 × 3,536,959,118.13 - Step 4: Simplify right side
8,780,048,942.13x = 46,591,161,884,213,747,712 - Step 5: Solve for x
x = 46,591,161,884,213,747,712/8,780,048,942.13 - Step 6: Final answer
x = 5,306,480,885.39
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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.