Finding the Fourth Proportional to 9,738,261,134.92, 13,437,666,623.16 and 5,451,709,180.12
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Solution
The fourth proportional to 9,738,261,134.92, 13,437,666,623.16 and 5,451,709,180.12 is: 7,522,723,972.37
Step by Step Solution
- Step 1: Write the proportion equation
9,738,261,134.92 : 13,437,666,623.16 = 5,451,709,180.12 : x - Step 2: Convert to fraction form
9,738,261,134.92/13,437,666,623.16 = 5,451,709,180.12/x - Step 3: Cross multiply
9,738,261,134.92x = 13,437,666,623.16 × 5,451,709,180.12 - Step 4: Simplify right side
9,738,261,134.92x = 73,258,250,488,873,492,480 - Step 5: Solve for x
x = 73,258,250,488,873,492,480/9,738,261,134.92 - Step 6: Final answer
x = 7,522,723,972.37
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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.