Finding the Fourth Proportional to 2,227,990,448.04, 3,342,096,679.31 and 847,911,916.68
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Solution
The fourth proportional to 2,227,990,448.04, 3,342,096,679.31 and 847,911,916.68 is: 1,271,910,121.33
Step by Step Solution
- Step 1: Write the proportion equation
2,227,990,448.04 : 3,342,096,679.31 = 847,911,916.68 : x - Step 2: Convert to fraction form
2,227,990,448.04/3,342,096,679.31 = 847,911,916.68/x - Step 3: Cross multiply
2,227,990,448.04x = 3,342,096,679.31 × 847,911,916.68 - Step 4: Simplify right side
2,227,990,448.04x = 2,833,803,601,083,604,992 - Step 5: Solve for x
x = 2,833,803,601,083,604,992/2,227,990,448.04 - Step 6: Final answer
x = 1,271,910,121.33
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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.