Finding the Fourth Proportional to 8,392,641,475.77, 12,588,789,338.58 and 2,796,984,923.31
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Solution
The fourth proportional to 8,392,641,475.77, 12,588,789,338.58 and 2,796,984,923.31 is: 4,195,419,771.52
Step by Step Solution
- Step 1: Write the proportion equation
8,392,641,475.77 : 12,588,789,338.58 = 2,796,984,923.31 : x - Step 2: Convert to fraction form
8,392,641,475.77/12,588,789,338.58 = 2,796,984,923.31/x - Step 3: Cross multiply
8,392,641,475.77x = 12,588,789,338.58 × 2,796,984,923.31 - Step 4: Simplify right side
8,392,641,475.77x = 35,210,653,982,733,926,400 - Step 5: Solve for x
x = 35,210,653,982,733,926,400/8,392,641,475.77 - Step 6: Final answer
x = 4,195,419,771.52
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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.