Finding the Fourth Proportional to 3,179,516,481.09, 4,769,986,001.45 and 968,899,206.48
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Solution
The fourth proportional to 3,179,516,481.09, 4,769,986,001.45 and 968,899,206.48 is: 1,453,565,559.17
Step by Step Solution
- Step 1: Write the proportion equation
3,179,516,481.09 : 4,769,986,001.45 = 968,899,206.48 : x - Step 2: Convert to fraction form
3,179,516,481.09/4,769,986,001.45 = 968,899,206.48/x - Step 3: Cross multiply
3,179,516,481.09x = 4,769,986,001.45 × 968,899,206.48 - Step 4: Simplify right side
3,179,516,481.09x = 4,621,635,651,725,613,056 - Step 5: Solve for x
x = 4,621,635,651,725,613,056/3,179,516,481.09 - Step 6: Final answer
x = 1,453,565,559.17
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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.