Finding the Fourth Proportional to 5,119,548,027.57, 7,679,322,043.18 and 1,439,053,382.07
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Solution
The fourth proportional to 5,119,548,027.57, 7,679,322,043.18 and 1,439,053,382.07 is: 2,158,580,073.62
Step by Step Solution
- Step 1: Write the proportion equation
5,119,548,027.57 : 7,679,322,043.18 = 1,439,053,382.07 : x - Step 2: Convert to fraction form
5,119,548,027.57/7,679,322,043.18 = 1,439,053,382.07/x - Step 3: Cross multiply
5,119,548,027.57x = 7,679,322,043.18 × 1,439,053,382.07 - Step 4: Simplify right side
5,119,548,027.57x = 11,050,954,358,239,283,200 - Step 5: Solve for x
x = 11,050,954,358,239,283,200/5,119,548,027.57 - Step 6: Final answer
x = 2,158,580,073.62
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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.