Finding the Fourth Proportional to 7,539,179,673.44, 10,405,199,039.44 and 5,727,710,642
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Solution
The fourth proportional to 7,539,179,673.44, 10,405,199,039.44 and 5,727,710,642 is: 7,905,100,004.49
Step by Step Solution
- Step 1: Write the proportion equation
7,539,179,673.44 : 10,405,199,039.44 = 5,727,710,642 : x - Step 2: Convert to fraction form
7,539,179,673.44/10,405,199,039.44 = 5,727,710,642/x - Step 3: Cross multiply
7,539,179,673.44x = 10,405,199,039.44 × 5,727,710,642 - Step 4: Simplify right side
7,539,179,673.44x = 59,597,969,270,328,672,256 - Step 5: Solve for x
x = 59,597,969,270,328,672,256/7,539,179,673.44 - Step 6: Final answer
x = 7,905,100,004.49
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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.