Finding the Fourth Proportional to 4,429,447,101.20, 6,644,170,651.80 and 2,136,211,389.20
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Solution
The fourth proportional to 4,429,447,101.20, 6,644,170,651.80 and 2,136,211,389.20 is: 3,204,317,083.80
Step by Step Solution
- Step 1: Write the proportion equation
4,429,447,101.20 : 6,644,170,651.80 = 2,136,211,389.20 : x - Step 2: Convert to fraction form
4,429,447,101.20/6,644,170,651.80 = 2,136,211,389.20/x - Step 3: Cross multiply
4,429,447,101.20x = 6,644,170,651.80 × 2,136,211,389.20 - Step 4: Simplify right side
4,429,447,101.20x = 14,193,353,018,163,548,160 - Step 5: Solve for x
x = 14,193,353,018,163,548,160/4,429,447,101.20 - Step 6: Final answer
x = 3,204,317,083.80
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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.