Finding the Fourth Proportional to 2,769,618,831.36, 4,147,833,391.92 and 1,602,627,933.12
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Solution
The fourth proportional to 2,769,618,831.36, 4,147,833,391.92 and 1,602,627,933.12 is: 2,400,125,815.35
Step by Step Solution
- Step 1: Write the proportion equation
2,769,618,831.36 : 4,147,833,391.92 = 1,602,627,933.12 : x - Step 2: Convert to fraction form
2,769,618,831.36/4,147,833,391.92 = 1,602,627,933.12/x - Step 3: Cross multiply
2,769,618,831.36x = 4,147,833,391.92 × 1,602,627,933.12 - Step 4: Simplify right side
2,769,618,831.36x = 6,647,433,655,818,867,712 - Step 5: Solve for x
x = 6,647,433,655,818,867,712/2,769,618,831.36 - Step 6: Final answer
x = 2,400,125,815.35
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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.