Finding the Fourth Proportional to 7,202,395,088.22, 9,940,344,876.60 and 4,149,986,758.80
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Solution
The fourth proportional to 7,202,395,088.22, 9,940,344,876.60 and 4,149,986,758.80 is: 5,727,580,771.47
Step by Step Solution
- Step 1: Write the proportion equation
7,202,395,088.22 : 9,940,344,876.60 = 4,149,986,758.80 : x - Step 2: Convert to fraction form
7,202,395,088.22/9,940,344,876.60 = 4,149,986,758.80/x - Step 3: Cross multiply
7,202,395,088.22x = 9,940,344,876.60 × 4,149,986,758.80 - Step 4: Simplify right side
7,202,395,088.22x = 41,252,299,615,795,421,184 - Step 5: Solve for x
x = 41,252,299,615,795,421,184/7,202,395,088.22 - Step 6: Final answer
x = 5,727,580,771.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.