Finding the Fourth Proportional to 5,391,879,477.80, 8,087,819,216.70 and 4,412,327,426.60
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Solution
The fourth proportional to 5,391,879,477.80, 8,087,819,216.70 and 4,412,327,426.60 is: 6,618,491,139.90
Step by Step Solution
- Step 1: Write the proportion equation
5,391,879,477.80 : 8,087,819,216.70 = 4,412,327,426.60 : x - Step 2: Convert to fraction form
5,391,879,477.80/8,087,819,216.70 = 4,412,327,426.60/x - Step 3: Cross multiply
5,391,879,477.80x = 8,087,819,216.70 × 4,412,327,426.60 - Step 4: Simplify right side
5,391,879,477.80x = 35,686,106,551,227,940,864 - Step 5: Solve for x
x = 35,686,106,551,227,940,864/5,391,879,477.80 - Step 6: Final answer
x = 6,618,491,139.90
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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.