Finding the Fourth Proportional to 1,615,512,727.84, 2,229,407,469.84 and 872,956,769.44
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Solution
The fourth proportional to 1,615,512,727.84, 2,229,407,469.84 and 872,956,769.44 is: 1,204,680,290.72
Step by Step Solution
- Step 1: Write the proportion equation
1,615,512,727.84 : 2,229,407,469.84 = 872,956,769.44 : x - Step 2: Convert to fraction form
1,615,512,727.84/2,229,407,469.84 = 872,956,769.44/x - Step 3: Cross multiply
1,615,512,727.84x = 2,229,407,469.84 × 872,956,769.44 - Step 4: Simplify right side
1,615,512,727.84x = 1,946,176,342,636,930,816 - Step 5: Solve for x
x = 1,946,176,342,636,930,816/1,615,512,727.84 - Step 6: Final answer
x = 1,204,680,290.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.