Finding the Fourth Proportional to 6,361,638,018.80, 9,542,457,028.20 and 1,704,230,812.40
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Solution
The fourth proportional to 6,361,638,018.80, 9,542,457,028.20 and 1,704,230,812.40 is: 2,556,346,218.60
Step by Step Solution
- Step 1: Write the proportion equation
6,361,638,018.80 : 9,542,457,028.20 = 1,704,230,812.40 : x - Step 2: Convert to fraction form
6,361,638,018.80/9,542,457,028.20 = 1,704,230,812.40/x - Step 3: Cross multiply
6,361,638,018.80x = 9,542,457,028.20 × 1,704,230,812.40 - Step 4: Simplify right side
6,361,638,018.80x = 16,262,549,293,461,377,024 - Step 5: Solve for x
x = 16,262,549,293,461,377,024/6,361,638,018.80 - Step 6: Final answer
x = 2,556,346,218.60
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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.