Finding the Fourth Proportional to 2,728,806,025, 3,765,763,660.20 and 1,475,742,880.48
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Solution
The fourth proportional to 2,728,806,025, 3,765,763,660.20 and 1,475,742,880.48 is: 2,036,531,310.84
Step by Step Solution
- Step 1: Write the proportion equation
2,728,806,025 : 3,765,763,660.20 = 1,475,742,880.48 : x - Step 2: Convert to fraction form
2,728,806,025/3,765,763,660.20 = 1,475,742,880.48/x - Step 3: Cross multiply
2,728,806,025x = 3,765,763,660.20 × 1,475,742,880.48 - Step 4: Simplify right side
2,728,806,025x = 5,557,298,911,110,455,296 - Step 5: Solve for x
x = 5,557,298,911,110,455,296/2,728,806,025 - Step 6: Final answer
x = 2,036,531,310.84
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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.