Finding the Fourth Proportional to 1,417,591,720.80, 2,125,379,811.60 and 543,855,477.60
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Solution
The fourth proportional to 1,417,591,720.80, 2,125,379,811.60 and 543,855,477.60 is: 815,396,588.14
Step by Step Solution
- Step 1: Write the proportion equation
1,417,591,720.80 : 2,125,379,811.60 = 543,855,477.60 : x - Step 2: Convert to fraction form
1,417,591,720.80/2,125,379,811.60 = 543,855,477.60/x - Step 3: Cross multiply
1,417,591,720.80x = 2,125,379,811.60 × 543,855,477.60 - Step 4: Simplify right side
1,417,591,720.80x = 1,155,899,452,519,116,032 - Step 5: Solve for x
x = 1,155,899,452,519,116,032/1,417,591,720.80 - Step 6: Final answer
x = 815,396,588.14
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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.