Finding the Fourth Proportional to 7,517,673,538.20, 11,269,500,015.38 and 2,539,914,249.06
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Solution
The fourth proportional to 7,517,673,538.20, 11,269,500,015.38 and 2,539,914,249.06 is: 3,807,502,882.82
Step by Step Solution
- Step 1: Write the proportion equation
7,517,673,538.20 : 11,269,500,015.38 = 2,539,914,249.06 : x - Step 2: Convert to fraction form
7,517,673,538.20/11,269,500,015.38 = 2,539,914,249.06/x - Step 3: Cross multiply
7,517,673,538.20x = 11,269,500,015.38 × 2,539,914,249.06 - Step 4: Simplify right side
7,517,673,538.20x = 28,623,563,668,832,849,920 - Step 5: Solve for x
x = 28,623,563,668,832,849,920/7,517,673,538.20 - Step 6: Final answer
x = 3,807,502,882.82
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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.