Finding the Fourth Proportional to 1,492,079,145.30, 2,238,118,717.95 and 1,401,305,231.70
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Solution
The fourth proportional to 1,492,079,145.30, 2,238,118,717.95 and 1,401,305,231.70 is: 2,101,957,847.55
Step by Step Solution
- Step 1: Write the proportion equation
1,492,079,145.30 : 2,238,118,717.95 = 1,401,305,231.70 : x - Step 2: Convert to fraction form
1,492,079,145.30/2,238,118,717.95 = 1,401,305,231.70/x - Step 3: Cross multiply
1,492,079,145.30x = 2,238,118,717.95 × 1,401,305,231.70 - Step 4: Simplify right side
1,492,079,145.30x = 3,136,287,468,629,031,424 - Step 5: Solve for x
x = 3,136,287,468,629,031,424/1,492,079,145.30 - Step 6: Final answer
x = 2,101,957,847.55
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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.