Finding the Fourth Proportional to 1,806,411,704.20, 2,488,203,410.34 and 1,276,865,291.44
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Solution
The fourth proportional to 1,806,411,704.20, 2,488,203,410.34 and 1,276,865,291.44 is: 1,758,790,958.52
Step by Step Solution
- Step 1: Write the proportion equation
1,806,411,704.20 : 2,488,203,410.34 = 1,276,865,291.44 : x - Step 2: Convert to fraction form
1,806,411,704.20/2,488,203,410.34 = 1,276,865,291.44/x - Step 3: Cross multiply
1,806,411,704.20x = 2,488,203,410.34 × 1,276,865,291.44 - Step 4: Simplify right side
1,806,411,704.20x = 3,177,100,572,705,786,368 - Step 5: Solve for x
x = 3,177,100,572,705,786,368/1,806,411,704.20 - Step 6: Final answer
x = 1,758,790,958.52
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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.