Finding the Fourth Proportional to 1,924,609,776.12, 2,888,129,129.84 and 819,212,856.93
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Solution
The fourth proportional to 1,924,609,776.12, 2,888,129,129.84 and 819,212,856.93 is: 1,229,336,224.41
Step by Step Solution
- Step 1: Write the proportion equation
1,924,609,776.12 : 2,888,129,129.84 = 819,212,856.93 : x - Step 2: Convert to fraction form
1,924,609,776.12/2,888,129,129.84 = 819,212,856.93/x - Step 3: Cross multiply
1,924,609,776.12x = 2,888,129,129.84 × 819,212,856.93 - Step 4: Simplify right side
1,924,609,776.12x = 2,365,992,515,638,981,120 - Step 5: Solve for x
x = 2,365,992,515,638,981,120/1,924,609,776.12 - Step 6: Final answer
x = 1,229,336,224.41
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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.