Finding the Fourth Proportional to 660,589,898.10, 990,853,354.35 and 223,847,747.70
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Solution
The fourth proportional to 660,589,898.10, 990,853,354.35 and 223,847,747.70 is: 335,760,949.89
Step by Step Solution
- Step 1: Write the proportion equation
660,589,898.10 : 990,853,354.35 = 223,847,747.70 : x - Step 2: Convert to fraction form
660,589,898.10/990,853,354.35 = 223,847,747.70/x - Step 3: Cross multiply
660,589,898.10x = 990,853,354.35 × 223,847,747.70 - Step 4: Simplify right side
660,589,898.10x = 221,800,291,672,237,504 - Step 5: Solve for x
x = 221,800,291,672,237,504/660,589,898.10 - Step 6: Final answer
x = 335,760,949.89
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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.