Finding the Fourth Proportional to 1,355,905,609.20, 2,033,858,413.80 and 373,330,249.20
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Solution
The fourth proportional to 1,355,905,609.20, 2,033,858,413.80 and 373,330,249.20 is: 559,995,373.80
Step by Step Solution
- Step 1: Write the proportion equation
1,355,905,609.20 : 2,033,858,413.80 = 373,330,249.20 : x - Step 2: Convert to fraction form
1,355,905,609.20/2,033,858,413.80 = 373,330,249.20/x - Step 3: Cross multiply
1,355,905,609.20x = 2,033,858,413.80 × 373,330,249.20 - Step 4: Simplify right side
1,355,905,609.20x = 759,300,868,461,470,720 - Step 5: Solve for x
x = 759,300,868,461,470,720/1,355,905,609.20 - Step 6: Final answer
x = 559,995,373.80
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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.