Finding the Fourth Proportional to 1,485,432,901.80, 2,228,149,352.70 and 1,373,192,562.60
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Solution
The fourth proportional to 1,485,432,901.80, 2,228,149,352.70 and 1,373,192,562.60 is: 2,059,788,843.90
Step by Step Solution
- Step 1: Write the proportion equation
1,485,432,901.80 : 2,228,149,352.70 = 1,373,192,562.60 : x - Step 2: Convert to fraction form
1,485,432,901.80/2,228,149,352.70 = 1,373,192,562.60/x - Step 3: Cross multiply
1,485,432,901.80x = 2,228,149,352.70 × 1,373,192,562.60 - Step 4: Simplify right side
1,485,432,901.80x = 3,059,678,119,489,643,520 - Step 5: Solve for x
x = 3,059,678,119,489,643,520/1,485,432,901.80 - Step 6: Final answer
x = 2,059,788,843.90
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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.