Finding the Fourth Proportional to 1,945,857,421.20, 2,923,442,540.93 and 1,247,717,371.44
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Solution
The fourth proportional to 1,945,857,421.20, 2,923,442,540.93 and 1,247,717,371.44 is: 1,874,561,827.08
Step by Step Solution
- Step 1: Write the proportion equation
1,945,857,421.20 : 2,923,442,540.93 = 1,247,717,371.44 : x - Step 2: Convert to fraction form
1,945,857,421.20/2,923,442,540.93 = 1,247,717,371.44/x - Step 3: Cross multiply
1,945,857,421.20x = 2,923,442,540.93 × 1,247,717,371.44 - Step 4: Simplify right side
1,945,857,421.20x = 3,647,630,042,725,053,952 - Step 5: Solve for x
x = 3,647,630,042,725,053,952/1,945,857,421.20 - Step 6: Final answer
x = 1,874,561,827.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.