Finding the Fourth Proportional to 1,419,739,922.24, 1,958,905,191.84 and 824,670,872
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Solution
The fourth proportional to 1,419,739,922.24, 1,958,905,191.84 and 824,670,872 is: 1,137,850,691.82
Step by Step Solution
- Step 1: Write the proportion equation
1,419,739,922.24 : 1,958,905,191.84 = 824,670,872 : x - Step 2: Convert to fraction form
1,419,739,922.24/1,958,905,191.84 = 824,670,872/x - Step 3: Cross multiply
1,419,739,922.24x = 1,958,905,191.84 × 824,670,872 - Step 4: Simplify right side
1,419,739,922.24x = 1,615,452,052,720,019,968 - Step 5: Solve for x
x = 1,615,452,052,720,019,968/1,419,739,922.24 - Step 6: Final answer
x = 1,137,850,691.82
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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.