Finding the Fourth Proportional to 5,228,288,311.02, 7,841,666,327.35 and 2,571,631,286.32
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Solution
The fourth proportional to 5,228,288,311.02, 7,841,666,327.35 and 2,571,631,286.32 is: 3,857,070,089.61
Step by Step Solution
- Step 1: Write the proportion equation
5,228,288,311.02 : 7,841,666,327.35 = 2,571,631,286.32 : x - Step 2: Convert to fraction form
5,228,288,311.02/7,841,666,327.35 = 2,571,631,286.32/x - Step 3: Cross multiply
5,228,288,311.02x = 7,841,666,327.35 × 2,571,631,286.32 - Step 4: Simplify right side
5,228,288,311.02x = 20,165,874,464,287,907,840 - Step 5: Solve for x
x = 20,165,874,464,287,907,840/5,228,288,311.02 - Step 6: Final answer
x = 3,857,070,089.61
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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.