Finding the Fourth Proportional to 3,729,902,278.98, 5,149,588,535.37 and 2,374,301,340.99
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Solution
The fourth proportional to 3,729,902,278.98, 5,149,588,535.37 and 2,374,301,340.99 is: 3,278,014,824.67
Step by Step Solution
- Step 1: Write the proportion equation
3,729,902,278.98 : 5,149,588,535.37 = 2,374,301,340.99 : x - Step 2: Convert to fraction form
3,729,902,278.98/5,149,588,535.37 = 2,374,301,340.99/x - Step 3: Cross multiply
3,729,902,278.98x = 5,149,588,535.37 × 2,374,301,340.99 - Step 4: Simplify right side
3,729,902,278.98x = 12,226,674,965,075,720,192 - Step 5: Solve for x
x = 12,226,674,965,075,720,192/3,729,902,278.98 - Step 6: Final answer
x = 3,278,014,824.67
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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.