Finding the Fourth Proportional to 3,498,063,751.20, 5,247,095,626.80 and 913,134,727.20
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Solution
The fourth proportional to 3,498,063,751.20, 5,247,095,626.80 and 913,134,727.20 is: 1,369,702,090.80
Step by Step Solution
- Step 1: Write the proportion equation
3,498,063,751.20 : 5,247,095,626.80 = 913,134,727.20 : x - Step 2: Convert to fraction form
3,498,063,751.20/5,247,095,626.80 = 913,134,727.20/x - Step 3: Cross multiply
3,498,063,751.20x = 5,247,095,626.80 × 913,134,727.20 - Step 4: Simplify right side
3,498,063,751.20x = 4,791,305,233,770,331,136 - Step 5: Solve for x
x = 4,791,305,233,770,331,136/3,498,063,751.20 - Step 6: Final answer
x = 1,369,702,090.80
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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.