Finding the Fourth Proportional to 1,368,128,933.28, 2,052,164,648.16 and 332,995,589.28
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Solution
The fourth proportional to 1,368,128,933.28, 2,052,164,648.16 and 332,995,589.28 is: 499,486,385.89
Step by Step Solution
- Step 1: Write the proportion equation
1,368,128,933.28 : 2,052,164,648.16 = 332,995,589.28 : x - Step 2: Convert to fraction form
1,368,128,933.28/2,052,164,648.16 = 332,995,589.28/x - Step 3: Cross multiply
1,368,128,933.28x = 2,052,164,648.16 × 332,995,589.28 - Step 4: Simplify right side
1,368,128,933.28x = 683,361,776,313,623,040 - Step 5: Solve for x
x = 683,361,776,313,623,040/1,368,128,933.28 - Step 6: Final answer
x = 499,486,385.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.