Finding the Fourth Proportional to 7,551,571,107.96, 10,417,862,136.06 and 7,201,457,775
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Solution
The fourth proportional to 7,551,571,107.96, 10,417,862,136.06 and 7,201,457,775 is: 9,934,859,012.26
Step by Step Solution
- Step 1: Write the proportion equation
7,551,571,107.96 : 10,417,862,136.06 = 7,201,457,775 : x - Step 2: Convert to fraction form
7,551,571,107.96/10,417,862,136.06 = 7,201,457,775/x - Step 3: Cross multiply
7,551,571,107.96x = 10,417,862,136.06 × 7,201,457,775 - Step 4: Simplify right side
7,551,571,107.96x = 75,023,794,278,607,388,672 - Step 5: Solve for x
x = 75,023,794,278,607,388,672/7,551,571,107.96 - Step 6: Final answer
x = 9,934,859,012.26
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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.