Finding the Fourth Proportional to 2,413,609,237.20, 3,620,413,855.80 and 862,651,822.80
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Solution
The fourth proportional to 2,413,609,237.20, 3,620,413,855.80 and 862,651,822.80 is: 1,293,977,734.20
Step by Step Solution
- Step 1: Write the proportion equation
2,413,609,237.20 : 3,620,413,855.80 = 862,651,822.80 : x - Step 2: Convert to fraction form
2,413,609,237.20/3,620,413,855.80 = 862,651,822.80/x - Step 3: Cross multiply
2,413,609,237.20x = 3,620,413,855.80 × 862,651,822.80 - Step 4: Simplify right side
2,413,609,237.20x = 3,123,156,611,996,246,528 - Step 5: Solve for x
x = 3,123,156,611,996,246,528/2,413,609,237.20 - Step 6: Final answer
x = 1,293,977,734.20
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1.5x scale
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.