Finding the Fourth Proportional to 2,136,124,610.10, 3,204,186,915.15 and 1,438,767,729.90
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Solution
The fourth proportional to 2,136,124,610.10, 3,204,186,915.15 and 1,438,767,729.90 is: 2,158,151,594.85
Step by Step Solution
- Step 1: Write the proportion equation
2,136,124,610.10 : 3,204,186,915.15 = 1,438,767,729.90 : x - Step 2: Convert to fraction form
2,136,124,610.10/3,204,186,915.15 = 1,438,767,729.90/x - Step 3: Cross multiply
2,136,124,610.10x = 3,204,186,915.15 × 1,438,767,729.90 - Step 4: Simplify right side
2,136,124,610.10x = 4,610,080,734,085,649,920 - Step 5: Solve for x
x = 4,610,080,734,085,649,920/2,136,124,610.10 - Step 6: Final answer
x = 2,158,151,594.85
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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.