Finding the Fourth Proportional to 5,481,345,405.92, 7,564,060,939.08 and 3,102,432,265.52
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Solution
The fourth proportional to 5,481,345,405.92, 7,564,060,939.08 and 3,102,432,265.52 is: 4,281,245,748.61
Step by Step Solution
- Step 1: Write the proportion equation
5,481,345,405.92 : 7,564,060,939.08 = 3,102,432,265.52 : x - Step 2: Convert to fraction form
5,481,345,405.92/7,564,060,939.08 = 3,102,432,265.52/x - Step 3: Cross multiply
5,481,345,405.92x = 7,564,060,939.08 × 3,102,432,265.52 - Step 4: Simplify right side
5,481,345,405.92x = 23,466,986,715,761,303,552 - Step 5: Solve for x
x = 23,466,986,715,761,303,552/5,481,345,405.92 - Step 6: Final answer
x = 4,281,245,748.61
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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.