Finding the Fourth Proportional to 845,869,657.68, 1,268,802,741.60 and 477,237,268.98
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Solution
The fourth proportional to 845,869,657.68, 1,268,802,741.60 and 477,237,268.98 is: 715,854,918.99
Step by Step Solution
- Step 1: Write the proportion equation
845,869,657.68 : 1,268,802,741.60 = 477,237,268.98 : x - Step 2: Convert to fraction form
845,869,657.68/1,268,802,741.60 = 477,237,268.98/x - Step 3: Cross multiply
845,869,657.68x = 1,268,802,741.60 × 477,237,268.98 - Step 4: Simplify right side
845,869,657.68x = 605,519,955,275,520,640 - Step 5: Solve for x
x = 605,519,955,275,520,640/845,869,657.68 - Step 6: Final answer
x = 715,854,918.99
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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.