Finding the Fourth Proportional to 5,879,238,747.48, 8,107,899,639 and 4,290,814,698.84
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Solution
The fourth proportional to 5,879,238,747.48, 8,107,899,639 and 4,290,814,698.84 is: 5,917,346,861.05
Step by Step Solution
- Step 1: Write the proportion equation
5,879,238,747.48 : 8,107,899,639 = 4,290,814,698.84 : x - Step 2: Convert to fraction form
5,879,238,747.48/8,107,899,639 = 4,290,814,698.84/x - Step 3: Cross multiply
5,879,238,747.48x = 8,107,899,639 × 4,290,814,698.84 - Step 4: Simplify right side
5,879,238,747.48x = 34,789,494,947,740,729,344 - Step 5: Solve for x
x = 34,789,494,947,740,729,344/5,879,238,747.48 - Step 6: Final answer
x = 5,917,346,861.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.