Finding the Fourth Proportional to 7,514,809,591.23, 10,370,153,127.09 and 4,173,523,107.21
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Solution
The fourth proportional to 7,514,809,591.23, 10,370,153,127.09 and 4,173,523,107.21 is: 5,759,304,101.56
Step by Step Solution
- Step 1: Write the proportion equation
7,514,809,591.23 : 10,370,153,127.09 = 4,173,523,107.21 : x - Step 2: Convert to fraction form
7,514,809,591.23/10,370,153,127.09 = 4,173,523,107.21/x - Step 3: Cross multiply
7,514,809,591.23x = 10,370,153,127.09 × 4,173,523,107.21 - Step 4: Simplify right side
7,514,809,591.23x = 43,280,073,701,216,157,696 - Step 5: Solve for x
x = 43,280,073,701,216,157,696/7,514,809,591.23 - Step 6: Final answer
x = 5,759,304,101.56
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Double scale
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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.