Finding the Fourth Proportional to 2,413,609,252.20, 3,620,413,878.30 and 862,651,837.80
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Solution
The fourth proportional to 2,413,609,252.20, 3,620,413,878.30 and 862,651,837.80 is: 1,293,977,756.70
Step by Step Solution
- Step 1: Write the proportion equation
2,413,609,252.20 : 3,620,413,878.30 = 862,651,837.80 : x - Step 2: Convert to fraction form
2,413,609,252.20/3,620,413,878.30 = 862,651,837.80/x - Step 3: Cross multiply
2,413,609,252.20x = 3,620,413,878.30 × 862,651,837.80 - Step 4: Simplify right side
2,413,609,252.20x = 3,123,156,685,712,120,320 - Step 5: Solve for x
x = 3,123,156,685,712,120,320/2,413,609,252.20 - Step 6: Final answer
x = 1,293,977,756.70
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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.