Finding the Fourth Proportional to 1,924,609,775.12, 2,888,129,128.34 and 819,212,855.93
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Solution
The fourth proportional to 1,924,609,775.12, 2,888,129,128.34 and 819,212,855.93 is: 1,229,336,222.91
Step by Step Solution
- Step 1: Write the proportion equation
1,924,609,775.12 : 2,888,129,128.34 = 819,212,855.93 : x - Step 2: Convert to fraction form
1,924,609,775.12/2,888,129,128.34 = 819,212,855.93/x - Step 3: Cross multiply
1,924,609,775.12x = 2,888,129,128.34 × 819,212,855.93 - Step 4: Simplify right side
1,924,609,775.12x = 2,365,992,511,509,640,192 - Step 5: Solve for x
x = 2,365,992,511,509,640,192/1,924,609,775.12 - Step 6: Final answer
x = 1,229,336,222.91
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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.