Finding the Fourth Proportional to 1,585,874,586.30, 2,378,811,879.45 and 966,001,803.90
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Solution
The fourth proportional to 1,585,874,586.30, 2,378,811,879.45 and 966,001,803.90 is: 1,449,002,705.85
Step by Step Solution
- Step 1: Write the proportion equation
1,585,874,586.30 : 2,378,811,879.45 = 966,001,803.90 : x - Step 2: Convert to fraction form
1,585,874,586.30/2,378,811,879.45 = 966,001,803.90/x - Step 3: Cross multiply
1,585,874,586.30x = 2,378,811,879.45 × 966,001,803.90 - Step 4: Simplify right side
1,585,874,586.30x = 2,297,936,566,687,449,088 - Step 5: Solve for x
x = 2,297,936,566,687,449,088/1,585,874,586.30 - Step 6: Final answer
x = 1,449,002,705.85
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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.