Finding the Fourth Proportional to 1,651,789,939.20, 2,477,684,908.80 and 953,476,465.20
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Solution
The fourth proportional to 1,651,789,939.20, 2,477,684,908.80 and 953,476,465.20 is: 1,430,214,697.80
Step by Step Solution
- Step 1: Write the proportion equation
1,651,789,939.20 : 2,477,684,908.80 = 953,476,465.20 : x - Step 2: Convert to fraction form
1,651,789,939.20/2,477,684,908.80 = 953,476,465.20/x - Step 3: Cross multiply
1,651,789,939.20x = 2,477,684,908.80 × 953,476,465.20 - Step 4: Simplify right side
1,651,789,939.20x = 2,362,414,248,722,008,576 - Step 5: Solve for x
x = 2,362,414,248,722,008,576/1,651,789,939.20 - Step 6: Final answer
x = 1,430,214,697.80
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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.