Finding the Fourth Proportional to 1,059,390,351.20, 1,589,085,526.80 and 293,485,455.20
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Solution
The fourth proportional to 1,059,390,351.20, 1,589,085,526.80 and 293,485,455.20 is: 440,228,182.80
Step by Step Solution
- Step 1: Write the proportion equation
1,059,390,351.20 : 1,589,085,526.80 = 293,485,455.20 : x - Step 2: Convert to fraction form
1,059,390,351.20/1,589,085,526.80 = 293,485,455.20/x - Step 3: Cross multiply
1,059,390,351.20x = 1,589,085,526.80 × 293,485,455.20 - Step 4: Simplify right side
1,059,390,351.20x = 466,373,489,184,629,760 - Step 5: Solve for x
x = 466,373,489,184,629,760/1,059,390,351.20 - Step 6: Final answer
x = 440,228,182.80
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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.