Finding the Fourth Proportional to 19,700,228,340.17, 29,544,230,874.09 and 7,107,449,745.67
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Solution
The fourth proportional to 19,700,228,340.17, 29,544,230,874.09 and 7,107,449,745.67 is: 10,658,969,661.99
Step by Step Solution
- Step 1: Write the proportion equation
19,700,228,340.17 : 29,544,230,874.09 = 7,107,449,745.67 : x - Step 2: Convert to fraction form
19,700,228,340.17/29,544,230,874.09 = 7,107,449,745.67/x - Step 3: Cross multiply
19,700,228,340.17x = 29,544,230,874.09 × 7,107,449,745.67 - Step 4: Simplify right side
19,700,228,340.17x = 209,984,136,212,139,966,464 - Step 5: Solve for x
x = 209,984,136,212,139,966,464/19,700,228,340.17 - Step 6: Final answer
x = 10,658,969,661.99
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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.