Finding the Fourth Proportional to 11,287,410,038.99, 15,577,618,366.92 and 6,207,669,216.37
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Solution
The fourth proportional to 11,287,410,038.99, 15,577,618,366.92 and 6,207,669,216.37 is: 8,567,129,365.08
Step by Step Solution
- Step 1: Write the proportion equation
11,287,410,038.99 : 15,577,618,366.92 = 6,207,669,216.37 : x - Step 2: Convert to fraction form
11,287,410,038.99/15,577,618,366.92 = 6,207,669,216.37/x - Step 3: Cross multiply
11,287,410,038.99x = 15,577,618,366.92 × 6,207,669,216.37 - Step 4: Simplify right side
11,287,410,038.99x = 96,700,702,000,728,064,000 - Step 5: Solve for x
x = 96,700,702,000,728,064,000/11,287,410,038.99 - Step 6: Final answer
x = 8,567,129,365.08
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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.