Finding the Fourth Proportional to 3,476,651,811.20, 5,214,977,716.80 and 2,660,358,435.20
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Solution
The fourth proportional to 3,476,651,811.20, 5,214,977,716.80 and 2,660,358,435.20 is: 3,990,537,652.80
Step by Step Solution
- Step 1: Write the proportion equation
3,476,651,811.20 : 5,214,977,716.80 = 2,660,358,435.20 : x - Step 2: Convert to fraction form
3,476,651,811.20/5,214,977,716.80 = 2,660,358,435.20/x - Step 3: Cross multiply
3,476,651,811.20x = 5,214,977,716.80 × 2,660,358,435.20 - Step 4: Simplify right side
3,476,651,811.20x = 13,873,709,958,268,915,712 - Step 5: Solve for x
x = 13,873,709,958,268,915,712/3,476,651,811.20 - Step 6: Final answer
x = 3,990,537,652.80
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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.