Finding the Fourth Proportional to 4,232,453,632.39, 6,344,486,923.25 and 1,987,482,229.12
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Solution
The fourth proportional to 4,232,453,632.39, 6,344,486,923.25 and 1,987,482,229.12 is: 2,979,254,141.45
Step by Step Solution
- Step 1: Write the proportion equation
4,232,453,632.39 : 6,344,486,923.25 = 1,987,482,229.12 : x - Step 2: Convert to fraction form
4,232,453,632.39/6,344,486,923.25 = 1,987,482,229.12/x - Step 3: Cross multiply
4,232,453,632.39x = 6,344,486,923.25 × 1,987,482,229.12 - Step 4: Simplify right side
4,232,453,632.39x = 12,609,555,012,801,939,456 - Step 5: Solve for x
x = 12,609,555,012,801,939,456/4,232,453,632.39 - Step 6: Final answer
x = 2,979,254,141.45
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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.