Finding the Fourth Proportional to 16,237,324,817.20, 24,355,987,225.80 and 7,972,354,385.20
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Solution
The fourth proportional to 16,237,324,817.20, 24,355,987,225.80 and 7,972,354,385.20 is: 11,958,531,577.80
Step by Step Solution
- Step 1: Write the proportion equation
16,237,324,817.20 : 24,355,987,225.80 = 7,972,354,385.20 : x - Step 2: Convert to fraction form
16,237,324,817.20/24,355,987,225.80 = 7,972,354,385.20/x - Step 3: Cross multiply
16,237,324,817.20x = 24,355,987,225.80 × 7,972,354,385.20 - Step 4: Simplify right side
16,237,324,817.20x = 194,174,561,565,481,795,584 - Step 5: Solve for x
x = 194,174,561,565,481,795,584/16,237,324,817.20 - Step 6: Final answer
x = 11,958,531,577.80
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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.