Finding the Fourth Proportional to 5,074,883,271.92, 7,612,691,799 and 2,124,195,294.08
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Solution
The fourth proportional to 5,074,883,271.92, 7,612,691,799 and 2,124,195,294.08 is: 3,186,446,510.84
Step by Step Solution
- Step 1: Write the proportion equation
5,074,883,271.92 : 7,612,691,799 = 2,124,195,294.08 : x - Step 2: Convert to fraction form
5,074,883,271.92/7,612,691,799 = 2,124,195,294.08/x - Step 3: Cross multiply
5,074,883,271.92x = 7,612,691,799 × 2,124,195,294.08 - Step 4: Simplify right side
5,074,883,271.92x = 16,170,844,094,717,208,576 - Step 5: Solve for x
x = 16,170,844,094,717,208,576/5,074,883,271.92 - Step 6: Final answer
x = 3,186,446,510.84
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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.