Finding the Fourth Proportional to 4,378,295,818.80, 6,558,286,710.60 and 2,051,218,954.80
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Solution
The fourth proportional to 4,378,295,818.80, 6,558,286,710.60 and 2,051,218,954.80 is: 3,072,538,395.88
Step by Step Solution
- Step 1: Write the proportion equation
4,378,295,818.80 : 6,558,286,710.60 = 2,051,218,954.80 : x - Step 2: Convert to fraction form
4,378,295,818.80/6,558,286,710.60 = 2,051,218,954.80/x - Step 3: Cross multiply
4,378,295,818.80x = 6,558,286,710.60 × 2,051,218,954.80 - Step 4: Simplify right side
4,378,295,818.80x = 13,452,482,011,795,662,848 - Step 5: Solve for x
x = 13,452,482,011,795,662,848/4,378,295,818.80 - Step 6: Final answer
x = 3,072,538,395.88
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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.