Finding the Fourth Proportional to 1,378,441,524.68, 1,902,261,444.54 and 751,912,739.00
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Solution
The fourth proportional to 1,378,441,524.68, 1,902,261,444.54 and 751,912,739.00 is: 1,037,646,202.22
Step by Step Solution
- Step 1: Write the proportion equation
1,378,441,524.68 : 1,902,261,444.54 = 751,912,739.00 : x - Step 2: Convert to fraction form
1,378,441,524.68/1,902,261,444.54 = 751,912,739.00/x - Step 3: Cross multiply
1,378,441,524.68x = 1,902,261,444.54 × 751,912,739.00 - Step 4: Simplify right side
1,378,441,524.68x = 1,430,334,613,062,923,776 - Step 5: Solve for x
x = 1,430,334,613,062,923,776/1,378,441,524.68 - Step 6: Final answer
x = 1,037,646,202.22
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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.