Finding the Fourth Proportional to 9,334,647,382.07, 12,873,672,335.01 and 6,616,538,911.32
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Solution
The fourth proportional to 9,334,647,382.07, 12,873,672,335.01 and 6,616,538,911.32 is: 9,125,053,196.95
Step by Step Solution
- Step 1: Write the proportion equation
9,334,647,382.07 : 12,873,672,335.01 = 6,616,538,911.32 : x - Step 2: Convert to fraction form
9,334,647,382.07/12,873,672,335.01 = 6,616,538,911.32/x - Step 3: Cross multiply
9,334,647,382.07x = 12,873,672,335.01 × 6,616,538,911.32 - Step 4: Simplify right side
9,334,647,382.07x = 85,179,153,936,188,702,720 - Step 5: Solve for x
x = 85,179,153,936,188,702,720/9,334,647,382.07 - Step 6: Final answer
x = 9,125,053,196.95
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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.