Finding the Fourth Proportional to 4,734,739,862.40, 7,102,109,793.60 and 1,288,167,830.40
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Solution
The fourth proportional to 4,734,739,862.40, 7,102,109,793.60 and 1,288,167,830.40 is: 1,932,251,745.60
Step by Step Solution
- Step 1: Write the proportion equation
4,734,739,862.40 : 7,102,109,793.60 = 1,288,167,830.40 : x - Step 2: Convert to fraction form
4,734,739,862.40/7,102,109,793.60 = 1,288,167,830.40/x - Step 3: Cross multiply
4,734,739,862.40x = 7,102,109,793.60 × 1,288,167,830.40 - Step 4: Simplify right side
4,734,739,862.40x = 9,148,709,364,084,304,896 - Step 5: Solve for x
x = 9,148,709,364,084,304,896/4,734,739,862.40 - Step 6: Final answer
x = 1,932,251,745.60
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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.