Finding the Fourth Proportional to 3,393,537,426.21, 4,683,008,246.94 and 1,964,668,789.26
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Solution
The fourth proportional to 3,393,537,426.21, 4,683,008,246.94 and 1,964,668,789.26 is: 2,711,200,433.96
Step by Step Solution
- Step 1: Write the proportion equation
3,393,537,426.21 : 4,683,008,246.94 = 1,964,668,789.26 : x - Step 2: Convert to fraction form
3,393,537,426.21/4,683,008,246.94 = 1,964,668,789.26/x - Step 3: Cross multiply
3,393,537,426.21x = 4,683,008,246.94 × 1,964,668,789.26 - Step 4: Simplify right side
3,393,537,426.21x = 9,200,560,142,610,203,648 - Step 5: Solve for x
x = 9,200,560,142,610,203,648/3,393,537,426.21 - Step 6: Final answer
x = 2,711,200,433.96
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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.