Finding the Fourth Proportional to 1,984,274,782.40, 2,738,277,469.68 and 1,092,182,435.84
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Solution
The fourth proportional to 1,984,274,782.40, 2,738,277,469.68 and 1,092,182,435.84 is: 1,507,199,800.84
Step by Step Solution
- Step 1: Write the proportion equation
1,984,274,782.40 : 2,738,277,469.68 = 1,092,182,435.84 : x - Step 2: Convert to fraction form
1,984,274,782.40/2,738,277,469.68 = 1,092,182,435.84/x - Step 3: Cross multiply
1,984,274,782.40x = 2,738,277,469.68 × 1,092,182,435.84 - Step 4: Simplify right side
1,984,274,782.40x = 2,990,698,556,840,893,952 - Step 5: Solve for x
x = 2,990,698,556,840,893,952/1,984,274,782.40 - Step 6: Final answer
x = 1,507,199,800.84
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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.