Finding the Fourth Proportional to 1,432,476,423.91, 2,148,714,497.36 and 397,337,349.97
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Solution
The fourth proportional to 1,432,476,423.91, 2,148,714,497.36 and 397,337,349.97 is: 596,005,986.54
Step by Step Solution
- Step 1: Write the proportion equation
1,432,476,423.91 : 2,148,714,497.36 = 397,337,349.97 : x - Step 2: Convert to fraction form
1,432,476,423.91/2,148,714,497.36 = 397,337,349.97/x - Step 3: Cross multiply
1,432,476,423.91x = 2,148,714,497.36 × 397,337,349.97 - Step 4: Simplify right side
1,432,476,423.91x = 853,764,524,223,143,040 - Step 5: Solve for x
x = 853,764,524,223,143,040/1,432,476,423.91 - Step 6: Final answer
x = 596,005,986.54
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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.