Finding the Fourth Proportional to 4,795,694,775.75, 6,617,722,825.08 and 2,788,387,501.53
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Solution
The fourth proportional to 4,795,694,775.75, 6,617,722,825.08 and 2,788,387,501.53 is: 3,847,779,409.85
Step by Step Solution
- Step 1: Write the proportion equation
4,795,694,775.75 : 6,617,722,825.08 = 2,788,387,501.53 : x - Step 2: Convert to fraction form
4,795,694,775.75/6,617,722,825.08 = 2,788,387,501.53/x - Step 3: Cross multiply
4,795,694,775.75x = 6,617,722,825.08 × 2,788,387,501.53 - Step 4: Simplify right side
4,795,694,775.75x = 18,452,775,614,042,873,856 - Step 5: Solve for x
x = 18,452,775,614,042,873,856/4,795,694,775.75 - Step 6: Final answer
x = 3,847,779,409.85
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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.