Finding the Fourth Proportional to 2,943,558,995.20, 4,415,338,497.12 and 1,196,352,378.88
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Solution
The fourth proportional to 2,943,558,995.20, 4,415,338,497.12 and 1,196,352,378.88 is: 1,794,528,570.08
Step by Step Solution
- Step 1: Write the proportion equation
2,943,558,995.20 : 4,415,338,497.12 = 1,196,352,378.88 : x - Step 2: Convert to fraction form
2,943,558,995.20/4,415,338,497.12 = 1,196,352,378.88/x - Step 3: Cross multiply
2,943,558,995.20x = 4,415,338,497.12 × 1,196,352,378.88 - Step 4: Simplify right side
2,943,558,995.20x = 5,282,300,714,589,956,096 - Step 5: Solve for x
x = 5,282,300,714,589,956,096/2,943,558,995.20 - Step 6: Final answer
x = 1,794,528,570.08
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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.