Finding the Fourth Proportional to 660,589,982.10, 990,853,480.35 and 223,847,831.70
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Solution
The fourth proportional to 660,589,982.10, 990,853,480.35 and 223,847,831.70 is: 335,761,075.88
Step by Step Solution
- Step 1: Write the proportion equation
660,589,982.10 : 990,853,480.35 = 223,847,831.70 : x - Step 2: Convert to fraction form
660,589,982.10/990,853,480.35 = 223,847,831.70/x - Step 3: Cross multiply
660,589,982.10x = 990,853,480.35 × 223,847,831.70 - Step 4: Simplify right side
660,589,982.10x = 221,800,403,108,746,048 - Step 5: Solve for x
x = 221,800,403,108,746,048/660,589,982.10 - Step 6: Final answer
x = 335,761,075.88
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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.