Finding the Fourth Proportional to 2,361,602,999.99, 3,258,990,684.44 and 1,289,906,107.03
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Solution
The fourth proportional to 2,361,602,999.99, 3,258,990,684.44 and 1,289,906,107.03 is: 1,780,058,708.70
Step by Step Solution
- Step 1: Write the proportion equation
2,361,602,999.99 : 3,258,990,684.44 = 1,289,906,107.03 : x - Step 2: Convert to fraction form
2,361,602,999.99/3,258,990,684.44 = 1,289,906,107.03/x - Step 3: Cross multiply
2,361,602,999.99x = 3,258,990,684.44 × 1,289,906,107.03 - Step 4: Simplify right side
2,361,602,999.99x = 4,203,791,986,613,035,520 - Step 5: Solve for x
x = 4,203,791,986,613,035,520/2,361,602,999.99 - Step 6: Final answer
x = 1,780,058,708.70
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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.