Finding the Fourth Proportional to 719,512,505.19, 1,079,105,597.70 and 325,779,408.08
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Solution
The fourth proportional to 719,512,505.19, 1,079,105,597.70 and 325,779,408.08 is: 488,595,236.82
Step by Step Solution
- Step 1: Write the proportion equation
719,512,505.19 : 1,079,105,597.70 = 325,779,408.08 : x - Step 2: Convert to fraction form
719,512,505.19/1,079,105,597.70 = 325,779,408.08/x - Step 3: Cross multiply
719,512,505.19x = 1,079,105,597.70 × 325,779,408.08 - Step 4: Simplify right side
719,512,505.19x = 351,550,382,871,649,024 - Step 5: Solve for x
x = 351,550,382,871,649,024/719,512,505.19 - Step 6: Final answer
x = 488,595,236.82
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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.