Finding the Fourth Proportional to 6,119,621,569.80, 9,179,432,354.70 and 1,982,034,520.20
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Solution
The fourth proportional to 6,119,621,569.80, 9,179,432,354.70 and 1,982,034,520.20 is: 2,973,051,780.30
Step by Step Solution
- Step 1: Write the proportion equation
6,119,621,569.80 : 9,179,432,354.70 = 1,982,034,520.20 : x - Step 2: Convert to fraction form
6,119,621,569.80/9,179,432,354.70 = 1,982,034,520.20/x - Step 3: Cross multiply
6,119,621,569.80x = 9,179,432,354.70 × 1,982,034,520.20 - Step 4: Simplify right side
6,119,621,569.80x = 18,193,951,802,856,173,568 - Step 5: Solve for x
x = 18,193,951,802,856,173,568/6,119,621,569.80 - Step 6: Final answer
x = 2,973,051,780.30
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1.5x scale
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.