Finding the Fourth Proportional to 1,702,457,259.14, 2,347,303,755.62 and 1,399,985,538.05
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Solution
The fourth proportional to 1,702,457,259.14, 2,347,303,755.62 and 1,399,985,538.05 is: 1,930,263,619.62
Step by Step Solution
- Step 1: Write the proportion equation
1,702,457,259.14 : 2,347,303,755.62 = 1,399,985,538.05 : x - Step 2: Convert to fraction form
1,702,457,259.14/2,347,303,755.62 = 1,399,985,538.05/x - Step 3: Cross multiply
1,702,457,259.14x = 2,347,303,755.62 × 1,399,985,538.05 - Step 4: Simplify right side
1,702,457,259.14x = 3,286,191,311,259,715,072 - Step 5: Solve for x
x = 3,286,191,311,259,715,072/1,702,457,259.14 - Step 6: Final answer
x = 1,930,263,619.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.