Finding the Fourth Proportional to 18,294,567,899.08, 27,409,386,742.44 and 7,647,321,461.80
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Solution
The fourth proportional to 18,294,567,899.08, 27,409,386,742.44 and 7,647,321,461.80 is: 11,457,411,437.46
Step by Step Solution
- Step 1: Write the proportion equation
18,294,567,899.08 : 27,409,386,742.44 = 7,647,321,461.80 : x - Step 2: Convert to fraction form
18,294,567,899.08/27,409,386,742.44 = 7,647,321,461.80/x - Step 3: Cross multiply
18,294,567,899.08x = 27,409,386,742.44 × 7,647,321,461.80 - Step 4: Simplify right side
18,294,567,899.08x = 209,608,391,490,237,792,256 - Step 5: Solve for x
x = 209,608,391,490,237,792,256/18,294,567,899.08 - Step 6: Final answer
x = 11,457,411,437.46
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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.