Finding the Fourth Proportional to 1,518,163,732.22, 2,277,556,192.44 and 522,055,393.23
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Solution
The fourth proportional to 1,518,163,732.22, 2,277,556,192.44 and 522,055,393.23 is: 783,189,894.74
Step by Step Solution
- Step 1: Write the proportion equation
1,518,163,732.22 : 2,277,556,192.44 = 522,055,393.23 : x - Step 2: Convert to fraction form
1,518,163,732.22/2,277,556,192.44 = 522,055,393.23/x - Step 3: Cross multiply
1,518,163,732.22x = 2,277,556,192.44 × 522,055,393.23 - Step 4: Simplify right side
1,518,163,732.22x = 1,189,010,493,636,297,984 - Step 5: Solve for x
x = 1,189,010,493,636,297,984/1,518,163,732.22 - Step 6: Final answer
x = 783,189,894.74
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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.