Finding the Fourth Proportional to 8,610,367,409.20, 12,915,551,113.80 and 2,067,265,817.20
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Solution
The fourth proportional to 8,610,367,409.20, 12,915,551,113.80 and 2,067,265,817.20 is: 3,100,898,725.80
Step by Step Solution
- Step 1: Write the proportion equation
8,610,367,409.20 : 12,915,551,113.80 = 2,067,265,817.20 : x - Step 2: Convert to fraction form
8,610,367,409.20/12,915,551,113.80 = 2,067,265,817.20/x - Step 3: Cross multiply
8,610,367,409.20x = 12,915,551,113.80 × 2,067,265,817.20 - Step 4: Simplify right side
8,610,367,409.20x = 26,699,877,327,858,126,848 - Step 5: Solve for x
x = 26,699,877,327,858,126,848/8,610,367,409.20 - Step 6: Final answer
x = 3,100,898,725.80
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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.