Finding the Fourth Proportional to 1,474,938,195.60, 2,212,407,293.40 and 1,314,230,437.20
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Solution
The fourth proportional to 1,474,938,195.60, 2,212,407,293.40 and 1,314,230,437.20 is: 1,971,345,655.80
Step by Step Solution
- Step 1: Write the proportion equation
1,474,938,195.60 : 2,212,407,293.40 = 1,314,230,437.20 : x - Step 2: Convert to fraction form
1,474,938,195.60/2,212,407,293.40 = 1,314,230,437.20/x - Step 3: Cross multiply
1,474,938,195.60x = 2,212,407,293.40 × 1,314,230,437.20 - Step 4: Simplify right side
1,474,938,195.60x = 2,907,613,004,469,551,104 - Step 5: Solve for x
x = 2,907,613,004,469,551,104/1,474,938,195.60 - Step 6: Final answer
x = 1,971,345,655.80
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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.