Finding the Fourth Proportional to 1,302,419,745.72, 1,797,350,600.79 and 707,704,228.44
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Solution
The fourth proportional to 1,302,419,745.72, 1,797,350,600.79 and 707,704,228.44 is: 976,638,003.49
Step by Step Solution
- Step 1: Write the proportion equation
1,302,419,745.72 : 1,797,350,600.79 = 707,704,228.44 : x - Step 2: Convert to fraction form
1,302,419,745.72/1,797,350,600.79 = 707,704,228.44/x - Step 3: Cross multiply
1,302,419,745.72x = 1,797,350,600.79 × 707,704,228.44 - Step 4: Simplify right side
1,302,419,745.72x = 1,271,992,620,168,257,536 - Step 5: Solve for x
x = 1,271,992,620,168,257,536/1,302,419,745.72 - Step 6: Final answer
x = 976,638,003.49
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1.5x scale
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.