Finding the Fourth Proportional to 1,552,177,625.20, 2,328,589,919.40 and 517,359,986.80
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Solution
The fourth proportional to 1,552,177,625.20, 2,328,589,919.40 and 517,359,986.80 is: 776,147,800.62
Step by Step Solution
- Step 1: Write the proportion equation
1,552,177,625.20 : 2,328,589,919.40 = 517,359,986.80 : x - Step 2: Convert to fraction form
1,552,177,625.20/2,328,589,919.40 = 517,359,986.80/x - Step 3: Cross multiply
1,552,177,625.20x = 2,328,589,919.40 × 517,359,986.80 - Step 4: Simplify right side
1,552,177,625.20x = 1,204,719,249,963,397,120 - Step 5: Solve for x
x = 1,204,719,249,963,397,120/1,552,177,625.20 - Step 6: Final answer
x = 776,147,800.62
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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.