Finding the Fourth Proportional to 3,458,177,603.66, 5,187,582,968.62 and 971,021,771.36
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Solution
The fourth proportional to 3,458,177,603.66, 5,187,582,968.62 and 971,021,771.36 is: 1,456,621,544.81
Step by Step Solution
- Step 1: Write the proportion equation
3,458,177,603.66 : 5,187,582,968.62 = 971,021,771.36 : x - Step 2: Convert to fraction form
3,458,177,603.66/5,187,582,968.62 = 971,021,771.36/x - Step 3: Cross multiply
3,458,177,603.66x = 5,187,582,968.62 × 971,021,771.36 - Step 4: Simplify right side
3,458,177,603.66x = 5,037,256,003,266,359,296 - Step 5: Solve for x
x = 5,037,256,003,266,359,296/3,458,177,603.66 - Step 6: Final answer
x = 1,456,621,544.81
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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.