Finding the Fourth Proportional to 7,269,043,160.07, 10,031,279,580.14 and 3,927,541,442.31
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Solution
The fourth proportional to 7,269,043,160.07, 10,031,279,580.14 and 3,927,541,442.31 is: 5,420,007,200.78
Step by Step Solution
- Step 1: Write the proportion equation
7,269,043,160.07 : 10,031,279,580.14 = 3,927,541,442.31 : x - Step 2: Convert to fraction form
7,269,043,160.07/10,031,279,580.14 = 3,927,541,442.31/x - Step 3: Cross multiply
7,269,043,160.07x = 10,031,279,580.14 × 3,927,541,442.31 - Step 4: Simplify right side
7,269,043,160.07x = 39,398,266,270,378,270,720 - Step 5: Solve for x
x = 39,398,266,270,378,270,720/7,269,043,160.07 - Step 6: Final answer
x = 5,420,007,200.78
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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.